diff --git a/core/src/avm2/class.rs b/core/src/avm2/class.rs
index 8024503cc..2b885c552 100644
--- a/core/src/avm2/class.rs
+++ b/core/src/avm2/class.rs
@@ -34,19 +34,19 @@ bitflags! {
 
 /// A function that can be used to allocate instances of a class.
 ///
-/// By default, the `implicit_deriver` is used, which attempts to use the base
-/// class's deriver, and defaults to `ScriptObject` otherwise. Custom derivers
-/// anywhere in the class inheritance chain can change the representation of
-/// all subtypes that use the implicit deriver.
+/// By default, the `implicit_allocator` is used, which attempts to use the base
+/// class's allocator, and defaults to `ScriptObject` otherwise. Custom
+/// allocators anywhere in the class inheritance chain can change the
+/// representation of all subclasses that use the implicit allocator.
 ///
-/// Parameters for the deriver are:
+/// Parameters for the allocator are:
 ///
 ///  * `class` - The class object that is being allocated. This must be the
 ///  current class (using a superclass will cause the wrong class to be
 ///  read for traits).
 ///  * `proto` - The prototype attached to the class object.
 ///  * `activation` - The current AVM2 activation.
-pub type DeriverFn = for<'gc> fn(
+pub type AllocatorFn = for<'gc> fn(
     Object<'gc>,
     Object<'gc>,
     &mut Activation<'_, 'gc, '_>,
@@ -54,34 +54,34 @@ pub type DeriverFn = for<'gc> fn(
 
 #[derive(Clone, Collect)]
 #[collect(require_static)]
-pub struct Deriver(pub DeriverFn);
+pub struct Allocator(pub AllocatorFn);
 
-impl fmt::Debug for Deriver {
+impl fmt::Debug for Allocator {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_tuple("Deriver")
+        f.debug_tuple("Allocator")
             .field(&"<native code>".to_string())
             .finish()
     }
 }
 
-/// The implicit deriver for new classes.
+/// The implicit allocator for new classes.
 ///
-/// This attempts to use the parent type's deriver, and if such a deriver does
-/// not exist, we default to `ScriptObject`.
-pub fn implicit_deriver<'gc>(
+/// This attempts to use the parent type's allocator, and if such an allocator
+/// does not exist, we default to allocating a `ScriptObject`.
+pub fn implicit_allocator<'gc>(
     mut class_object: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
 ) -> Result<Object<'gc>, Error> {
     let mut base_class_object = Some(class_object);
     let mut base_class = class_object.as_class();
-    let mut instance_deriver = None;
+    let mut instance_allocator = None;
 
     while let (Some(b_class_object), Some(b_class)) = (base_class_object, base_class) {
-        let base_deriver = b_class.read().instance_deriver();
+        let base_allocator = b_class.read().instance_allocator();
 
-        if base_deriver as usize != implicit_deriver as usize {
-            instance_deriver = Some(base_deriver);
+        if base_allocator as usize != implicit_allocator as usize {
+            instance_allocator = Some(base_allocator);
             break;
         }
 
@@ -89,8 +89,8 @@ pub fn implicit_deriver<'gc>(
         base_class = base_class_object.and_then(|c| c.as_class());
     }
 
-    if let Some(base_deriver) = instance_deriver {
-        base_deriver(class_object, proto, activation)
+    if let Some(base_allocator) = instance_allocator {
+        base_allocator(class_object, proto, activation)
     } else {
         let base_proto = class_object
             .get_property(
@@ -128,8 +128,8 @@ pub struct Class<'gc> {
     /// The list of interfaces this class implements.
     interfaces: Vec<Multiname<'gc>>,
 
-    /// The instance deriver for this class.
-    instance_deriver: Deriver,
+    /// The instance allocator for this class.
+    instance_allocator: Allocator,
 
     /// The instance initializer for this class.
     ///
@@ -258,7 +258,7 @@ impl<'gc> Class<'gc> {
                 attributes: ClassAttributes::empty(),
                 protected_namespace: None,
                 interfaces: Vec::new(),
-                instance_deriver: Deriver(implicit_deriver),
+                instance_allocator: Allocator(implicit_allocator),
                 instance_init,
                 native_instance_init,
                 instance_traits: Vec::new(),
@@ -354,7 +354,7 @@ impl<'gc> Class<'gc> {
                 attributes,
                 protected_namespace,
                 interfaces,
-                instance_deriver: Deriver(implicit_deriver),
+                instance_allocator: Allocator(implicit_allocator),
                 instance_init,
                 native_instance_init,
                 instance_traits: Vec::new(),
@@ -436,7 +436,7 @@ impl<'gc> Class<'gc> {
                 attributes: ClassAttributes::empty(),
                 protected_namespace: None,
                 interfaces: Vec::new(),
-                instance_deriver: Deriver(implicit_deriver),
+                instance_allocator: Allocator(implicit_allocator),
                 instance_init: Method::from_builtin(
                     |_, _, _| Ok(Value::Undefined),
                     "<Activation object constructor>",
@@ -708,14 +708,14 @@ impl<'gc> Class<'gc> {
         None
     }
 
-    /// Get this class's instance deriver.
-    pub fn instance_deriver(&self) -> DeriverFn {
-        self.instance_deriver.0
+    /// Get this class's instance allocator.
+    pub fn instance_allocator(&self) -> AllocatorFn {
+        self.instance_allocator.0
     }
 
-    /// Set this class's instance deriver.
-    pub fn set_instance_deriver(&mut self, deriver: DeriverFn) {
-        self.instance_deriver.0 = deriver;
+    /// Set this class's instance allocator.
+    pub fn set_instance_allocator(&mut self, alloc: AllocatorFn) {
+        self.instance_allocator.0 = alloc;
     }
 
     /// Get this class's instance initializer.
diff --git a/core/src/avm2/globals/array.rs b/core/src/avm2/globals/array.rs
index 7d5243d47..77730277b 100644
--- a/core/src/avm2/globals/array.rs
+++ b/core/src/avm2/globals/array.rs
@@ -5,7 +5,7 @@ use crate::avm2::array::ArrayStorage;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{array_deriver, ArrayObject, Object, TObject};
+use crate::avm2::object::{array_allocator, ArrayObject, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -1215,7 +1215,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
 
     let mut write = class.write(mc);
 
-    write.set_instance_deriver(array_deriver);
+    write.set_instance_allocator(array_allocator);
 
     const PUBLIC_INSTANCE_METHODS: &[(&str, NativeMethodImpl)] = &[
         ("toString", to_string),
diff --git a/core/src/avm2/globals/boolean.rs b/core/src/avm2/globals/boolean.rs
index ebfc30116..9c1217813 100644
--- a/core/src/avm2/globals/boolean.rs
+++ b/core/src/avm2/globals/boolean.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::Method;
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{primitive_deriver, Object};
+use crate::avm2::object::{primitive_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -51,7 +51,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(primitive_deriver);
+    write.set_instance_allocator(primitive_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<Boolean native instance initializer>",
diff --git a/core/src/avm2/globals/flash/display/displayobject.rs b/core/src/avm2/globals/flash/display/displayobject.rs
index c294e1d1e..d6fb55e5c 100644
--- a/core/src/avm2/globals/flash/display/displayobject.rs
+++ b/core/src/avm2/globals/flash/display/displayobject.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{stage_deriver, LoaderInfoObject, Object, TObject};
+use crate::avm2::object::{stage_allocator, LoaderInfoObject, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -597,7 +597,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
 
     let mut write = class.write(mc);
 
-    write.set_instance_deriver(stage_deriver);
+    write.set_instance_allocator(stage_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<DisplayObject native instance initializer>",
diff --git a/core/src/avm2/globals/flash/display/graphics.rs b/core/src/avm2/globals/flash/display/graphics.rs
index 491a19306..c86e7e60b 100644
--- a/core/src/avm2/globals/flash/display/graphics.rs
+++ b/core/src/avm2/globals/flash/display/graphics.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::{Class, ClassAttributes};
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{stage_deriver, Object, TObject};
+use crate::avm2::object::{stage_allocator, Object, TObject};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use crate::display_object::TDisplayObject;
@@ -377,7 +377,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     let mut write = class.write(mc);
 
     write.set_attributes(ClassAttributes::SEALED);
-    write.set_instance_deriver(stage_deriver);
+    write.set_instance_allocator(stage_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<Graphics native instance initializer>",
diff --git a/core/src/avm2/globals/flash/display/loaderinfo.rs b/core/src/avm2/globals/flash/display/loaderinfo.rs
index fe8dd0dea..107e9d22b 100644
--- a/core/src/avm2/globals/flash/display/loaderinfo.rs
+++ b/core/src/avm2/globals/flash/display/loaderinfo.rs
@@ -5,7 +5,7 @@ use crate::avm2::bytearray::Endian;
 use crate::avm2::class::{Class, ClassAttributes};
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{loaderinfo_deriver, DomainObject, LoaderStream, Object, TObject};
+use crate::avm2::object::{loaderinfo_allocator, DomainObject, LoaderStream, Object, TObject};
 use crate::avm2::value::Value;
 use crate::avm2::{AvmString, Error};
 use crate::display_object::TDisplayObject;
@@ -416,7 +416,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     let mut write = class.write(mc);
 
     write.set_attributes(ClassAttributes::SEALED);
-    write.set_instance_deriver(loaderinfo_deriver);
+    write.set_instance_allocator(loaderinfo_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<LoaderInfo native instance initializer>",
diff --git a/core/src/avm2/globals/flash/events/event.rs b/core/src/avm2/globals/flash/events/event.rs
index 73a82987b..fc9be65d7 100644
--- a/core/src/avm2/globals/flash/events/event.rs
+++ b/core/src/avm2/globals/flash/events/event.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::{Class, ClassAttributes};
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{event_deriver, EventObject, Object, TObject};
+use crate::avm2::object::{event_allocator, EventObject, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -274,7 +274,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     let mut write = class.write(mc);
 
     write.set_attributes(ClassAttributes::SEALED);
-    write.set_instance_deriver(event_deriver);
+    write.set_instance_allocator(event_allocator);
 
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,
diff --git a/core/src/avm2/globals/flash/system/application_domain.rs b/core/src/avm2/globals/flash/system/application_domain.rs
index 11b0de6a8..6e69c9532 100644
--- a/core/src/avm2/globals/flash/system/application_domain.rs
+++ b/core/src/avm2/globals/flash/system/application_domain.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{appdomain_deriver, DomainObject, Object, TObject};
+use crate::avm2::object::{appdomain_allocator, DomainObject, Object, TObject};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -154,7 +154,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(appdomain_deriver);
+    write.set_instance_allocator(appdomain_allocator);
 
     const PUBLIC_CLASS_METHODS: &[(&str, NativeMethodImpl)] = &[
         ("currentDomain", current_domain),
diff --git a/core/src/avm2/globals/flash/utils/bytearray.rs b/core/src/avm2/globals/flash/utils/bytearray.rs
index 28336363b..d974ba864 100644
--- a/core/src/avm2/globals/flash/utils/bytearray.rs
+++ b/core/src/avm2/globals/flash/utils/bytearray.rs
@@ -3,7 +3,7 @@ use crate::avm2::bytearray::{CompressionAlgorithm, Endian};
 use crate::avm2::class::{Class, ClassAttributes};
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{bytearray_deriver, Object, TObject};
+use crate::avm2::object::{bytearray_allocator, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -728,7 +728,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     let mut write = class.write(mc);
 
     write.set_attributes(ClassAttributes::SEALED);
-    write.set_instance_deriver(bytearray_deriver);
+    write.set_instance_allocator(bytearray_allocator);
 
     const PUBLIC_INSTANCE_METHODS: &[(&str, NativeMethodImpl)] = &[
         ("writeByte", write_byte),
diff --git a/core/src/avm2/globals/int.rs b/core/src/avm2/globals/int.rs
index 4977e8089..1e96cddab 100644
--- a/core/src/avm2/globals/int.rs
+++ b/core/src/avm2/globals/int.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::Method;
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{primitive_deriver, Object};
+use crate::avm2::object::{primitive_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -51,7 +51,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(primitive_deriver);
+    write.set_instance_allocator(primitive_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<int native instance initializer>",
diff --git a/core/src/avm2/globals/namespace.rs b/core/src/avm2/globals/namespace.rs
index 734773113..e775c3de0 100644
--- a/core/src/avm2/globals/namespace.rs
+++ b/core/src/avm2/globals/namespace.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::Method;
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{namespace_deriver, Object};
+use crate::avm2::object::{namespace_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -51,7 +51,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(namespace_deriver);
+    write.set_instance_allocator(namespace_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<Namespace native instance initializer>",
diff --git a/core/src/avm2/globals/number.rs b/core/src/avm2/globals/number.rs
index 79e2a67bf..c915a28fe 100644
--- a/core/src/avm2/globals/number.rs
+++ b/core/src/avm2/globals/number.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::Method;
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{primitive_deriver, Object};
+use crate::avm2::object::{primitive_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -51,7 +51,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(primitive_deriver);
+    write.set_instance_allocator(primitive_allocator);
     write.set_native_instance_init(Method::from_builtin(
         native_instance_init,
         "<Number native instance initializer>",
diff --git a/core/src/avm2/globals/regexp.rs b/core/src/avm2/globals/regexp.rs
index ff371a03e..e2daf9915 100644
--- a/core/src/avm2/globals/regexp.rs
+++ b/core/src/avm2/globals/regexp.rs
@@ -3,7 +3,7 @@
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, NativeMethodImpl, ParamConfig};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{regexp_deriver, ArrayObject, Object, TObject};
+use crate::avm2::object::{regexp_allocator, ArrayObject, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -275,7 +275,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(regexp_deriver);
+    write.set_instance_allocator(regexp_allocator);
 
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,
diff --git a/core/src/avm2/globals/string.rs b/core/src/avm2/globals/string.rs
index f744ab0ad..00c9b17d3 100644
--- a/core/src/avm2/globals/string.rs
+++ b/core/src/avm2/globals/string.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::{Class, ClassAttributes};
 use crate::avm2::method::{Method, NativeMethodImpl};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{primitive_deriver, Object, TObject};
+use crate::avm2::object::{primitive_allocator, Object, TObject};
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
@@ -130,7 +130,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
 
     let mut write = class.write(mc);
     write.set_attributes(ClassAttributes::FINAL | ClassAttributes::SEALED);
-    write.set_instance_deriver(primitive_deriver);
+    write.set_instance_allocator(primitive_allocator);
 
     const PUBLIC_INSTANCE_PROPERTIES: &[(
         &str,
diff --git a/core/src/avm2/globals/uint.rs b/core/src/avm2/globals/uint.rs
index 1ef325baa..e67cb8a89 100644
--- a/core/src/avm2/globals/uint.rs
+++ b/core/src/avm2/globals/uint.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, ParamConfig};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{primitive_deriver, Object};
+use crate::avm2::object::{primitive_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -60,7 +60,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(primitive_deriver);
+    write.set_instance_allocator(primitive_allocator);
     write.set_native_instance_init(Method::from_builtin_and_params(
         native_instance_init,
         "<uint native instance initializer>",
diff --git a/core/src/avm2/globals/xml.rs b/core/src/avm2/globals/xml.rs
index 6f5737890..988093389 100644
--- a/core/src/avm2/globals/xml.rs
+++ b/core/src/avm2/globals/xml.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, ParamConfig};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{xml_deriver, Object};
+use crate::avm2::object::{xml_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -47,7 +47,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(xml_deriver);
+    write.set_instance_allocator(xml_allocator);
 
     class
 }
diff --git a/core/src/avm2/globals/xml_list.rs b/core/src/avm2/globals/xml_list.rs
index 98bf7d832..d6d6c2fba 100644
--- a/core/src/avm2/globals/xml_list.rs
+++ b/core/src/avm2/globals/xml_list.rs
@@ -4,7 +4,7 @@ use crate::avm2::activation::Activation;
 use crate::avm2::class::Class;
 use crate::avm2::method::{Method, ParamConfig};
 use crate::avm2::names::{Namespace, QName};
-use crate::avm2::object::{xml_deriver, Object};
+use crate::avm2::object::{xml_allocator, Object};
 use crate::avm2::value::Value;
 use crate::avm2::Error;
 use gc_arena::{GcCell, MutationContext};
@@ -47,7 +47,7 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
     );
 
     let mut write = class.write(mc);
-    write.set_instance_deriver(xml_deriver);
+    write.set_instance_allocator(xml_allocator);
 
     class
 }
diff --git a/core/src/avm2/object.rs b/core/src/avm2/object.rs
index b8825fe6f..f612b870d 100644
--- a/core/src/avm2/object.rs
+++ b/core/src/avm2/object.rs
@@ -37,22 +37,22 @@ mod script_object;
 mod stage_object;
 mod xml_object;
 
-pub use crate::avm2::object::array_object::{array_deriver, ArrayObject};
-pub use crate::avm2::object::bytearray_object::{bytearray_deriver, ByteArrayObject};
+pub use crate::avm2::object::array_object::{array_allocator, ArrayObject};
+pub use crate::avm2::object::bytearray_object::{bytearray_allocator, ByteArrayObject};
 pub use crate::avm2::object::class_object::ClassObject;
 pub use crate::avm2::object::dispatch_object::DispatchObject;
-pub use crate::avm2::object::domain_object::{appdomain_deriver, DomainObject};
-pub use crate::avm2::object::event_object::{event_deriver, EventObject};
+pub use crate::avm2::object::domain_object::{appdomain_allocator, DomainObject};
+pub use crate::avm2::object::event_object::{event_allocator, EventObject};
 pub use crate::avm2::object::function_object::FunctionObject;
 pub use crate::avm2::object::loaderinfo_object::{
-    loaderinfo_deriver, LoaderInfoObject, LoaderStream,
+    loaderinfo_allocator, LoaderInfoObject, LoaderStream,
 };
-pub use crate::avm2::object::namespace_object::{namespace_deriver, NamespaceObject};
-pub use crate::avm2::object::primitive_object::{primitive_deriver, PrimitiveObject};
-pub use crate::avm2::object::regexp_object::{regexp_deriver, RegExpObject};
+pub use crate::avm2::object::namespace_object::{namespace_allocator, NamespaceObject};
+pub use crate::avm2::object::primitive_object::{primitive_allocator, PrimitiveObject};
+pub use crate::avm2::object::regexp_object::{regexp_allocator, RegExpObject};
 pub use crate::avm2::object::script_object::ScriptObject;
-pub use crate::avm2::object::stage_object::{stage_deriver, StageObject};
-pub use crate::avm2::object::xml_object::{xml_deriver, XmlObject};
+pub use crate::avm2::object::stage_object::{stage_allocator, StageObject};
+pub use crate::avm2::object::xml_object::{xml_allocator, XmlObject};
 
 /// Represents an object that can be directly interacted with by the AVM2
 /// runtime.
@@ -824,7 +824,7 @@ pub trait TObject<'gc>: 'gc + Collect + Debug + Into<Object<'gc>> + Clone + Copy
     /// constructor is then expected to perform the following steps, in order:
     ///
     /// 1. Allocate the instance object. For ES4 classes, the class's instance
-    /// deriver is used to allocate the object. ES3-style classes use the
+    /// allocator is used to allocate the object. ES3-style classes use the
     /// prototype to derive instances.
     /// 2. Associate the instance object with the class's explicit `prototype`.
     /// 3. If the class has instance traits, install them at this time.
diff --git a/core/src/avm2/object/array_object.rs b/core/src/avm2/object/array_object.rs
index 3d516f0fa..a3ffd8c8d 100644
--- a/core/src/avm2/object/array_object.rs
+++ b/core/src/avm2/object/array_object.rs
@@ -14,8 +14,8 @@ use crate::impl_avm2_custom_object;
 use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::{Ref, RefMut};
 
-/// A class instance deriver that constructs array objects.
-pub fn array_deriver<'gc>(
+/// A class instance allocator that allocates array objects.
+pub fn array_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/bytearray_object.rs b/core/src/avm2/object/bytearray_object.rs
index d83dc0538..8817b2308 100644
--- a/core/src/avm2/object/bytearray_object.rs
+++ b/core/src/avm2/object/bytearray_object.rs
@@ -12,8 +12,8 @@ use crate::impl_avm2_custom_object;
 use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::{Ref, RefMut};
 
-/// A class instance deriver that constructs ByteArray objects.
-pub fn bytearray_deriver<'gc>(
+/// A class instance allocator that allocates ByteArray objects.
+pub fn bytearray_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/class_object.rs b/core/src/avm2/object/class_object.rs
index 3c31ea031..da4230b18 100644
--- a/core/src/avm2/object/class_object.rs
+++ b/core/src/avm2/object/class_object.rs
@@ -79,7 +79,8 @@ impl<'gc> ClassObject<'gc> {
         }
 
         //TODO: Class prototypes are *not* instances of their class and should
-        //not be allocated by a deriver, but instead should be regular objects
+        //not be allocated by the class allocator, but instead should be
+        //regular objects
         let mut class_proto = if let Some(mut superclass_object) = superclass_object {
             let base_proto = superclass_object
                 .get_property(
@@ -88,8 +89,8 @@ impl<'gc> ClassObject<'gc> {
                     activation,
                 )?
                 .coerce_to_object(activation)?;
-            let derive = class.read().instance_deriver();
-            derive(superclass_object, base_proto, activation)?
+            let allocate = class.read().instance_allocator();
+            allocate(superclass_object, base_proto, activation)?
         } else {
             ScriptObject::bare_object(activation.context.gc_context)
         };
@@ -369,7 +370,7 @@ impl<'gc> TObject<'gc> for ClassObject<'gc> {
         arguments: &[Value<'gc>],
     ) -> Result<Object<'gc>, Error> {
         let class = self.as_class().ok_or("Cannot construct classless class!")?;
-        let deriver = class.read().instance_deriver();
+        let allocator = class.read().instance_allocator();
         let class_object: Object<'gc> = self.into();
         let prototype = self
             .get_property(
@@ -379,7 +380,7 @@ impl<'gc> TObject<'gc> for ClassObject<'gc> {
             )?
             .coerce_to_object(activation)?;
 
-        let mut instance = deriver(class_object, prototype, activation)?;
+        let mut instance = allocator(class_object, prototype, activation)?;
 
         instance.install_instance_traits(activation, class_object)?;
 
diff --git a/core/src/avm2/object/domain_object.rs b/core/src/avm2/object/domain_object.rs
index 220d2017e..a5b2f818f 100644
--- a/core/src/avm2/object/domain_object.rs
+++ b/core/src/avm2/object/domain_object.rs
@@ -13,8 +13,8 @@ use crate::avm2::Error;
 use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 
-/// A class instance deriver that constructs AppDomain objects.
-pub fn appdomain_deriver<'gc>(
+/// A class instance allocator that allocates AppDomain objects.
+pub fn appdomain_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
@@ -136,6 +136,6 @@ impl<'gc> TObject<'gc> for DomainObject<'gc> {
             )?
             .coerce_to_object(activation)?;
 
-        appdomain_deriver(constr, this, activation)
+        appdomain_allocator(constr, this, activation)
     }
 }
diff --git a/core/src/avm2/object/event_object.rs b/core/src/avm2/object/event_object.rs
index 22de4eb38..84884461b 100644
--- a/core/src/avm2/object/event_object.rs
+++ b/core/src/avm2/object/event_object.rs
@@ -14,8 +14,8 @@ use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::{Ref, RefMut};
 
-/// A class instance deriver that constructs Event objects.
-pub fn event_deriver<'gc>(
+/// A class instance allocator that allocates Event objects.
+pub fn event_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/loaderinfo_object.rs b/core/src/avm2/object/loaderinfo_object.rs
index 2c670a52a..19d84345f 100644
--- a/core/src/avm2/object/loaderinfo_object.rs
+++ b/core/src/avm2/object/loaderinfo_object.rs
@@ -16,8 +16,8 @@ use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::Ref;
 use std::sync::Arc;
 
-/// A class instance deriver that constructs LoaderInfo objects.
-pub fn loaderinfo_deriver<'gc>(
+/// A class instance allocator that allocates LoaderInfo objects.
+pub fn loaderinfo_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/namespace_object.rs b/core/src/avm2/object/namespace_object.rs
index f4be93558..ca81539b7 100644
--- a/core/src/avm2/object/namespace_object.rs
+++ b/core/src/avm2/object/namespace_object.rs
@@ -13,8 +13,8 @@ use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::Ref;
 
-/// A class instance deriver that constructs namespace objects.
-pub fn namespace_deriver<'gc>(
+/// A class instance allocator that allocates namespace objects.
+pub fn namespace_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/primitive_object.rs b/core/src/avm2/object/primitive_object.rs
index 908e6b611..68d10099e 100644
--- a/core/src/avm2/object/primitive_object.rs
+++ b/core/src/avm2/object/primitive_object.rs
@@ -14,8 +14,8 @@ use crate::avm2::Error;
 use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 
-/// A class instance deriver that constructs primitive objects.
-pub fn primitive_deriver<'gc>(
+/// A class instance allocator that allocates primitive objects.
+pub fn primitive_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/regexp_object.rs b/core/src/avm2/object/regexp_object.rs
index 1fec9a076..858bcff52 100644
--- a/core/src/avm2/object/regexp_object.rs
+++ b/core/src/avm2/object/regexp_object.rs
@@ -14,8 +14,8 @@ use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 use std::cell::{Ref, RefMut};
 
-/// A class instance deriver that constructs RegExp objects.
-pub fn regexp_deriver<'gc>(
+/// A class instance allocator that allocates RegExp objects.
+pub fn regexp_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/stage_object.rs b/core/src/avm2/object/stage_object.rs
index 17c80371e..2cccf2d42 100644
--- a/core/src/avm2/object/stage_object.rs
+++ b/core/src/avm2/object/stage_object.rs
@@ -13,8 +13,8 @@ use crate::avm2::Error;
 use crate::display_object::DisplayObject;
 use gc_arena::{Collect, GcCell, MutationContext};
 
-/// A class instance deriver that constructs Stage objects.
-pub fn stage_deriver<'gc>(
+/// A class instance allocator that allocates Stage objects.
+pub fn stage_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,
diff --git a/core/src/avm2/object/xml_object.rs b/core/src/avm2/object/xml_object.rs
index 03d1ce96c..21cf66938 100644
--- a/core/src/avm2/object/xml_object.rs
+++ b/core/src/avm2/object/xml_object.rs
@@ -12,8 +12,8 @@ use crate::avm2::Error;
 use crate::{impl_avm2_custom_object, impl_avm2_custom_object_properties};
 use gc_arena::{Collect, GcCell, MutationContext};
 
-/// A class instance deriver that constructs XML objects.
-pub fn xml_deriver<'gc>(
+/// A class instance allocator that allocates XML objects.
+pub fn xml_allocator<'gc>(
     class: Object<'gc>,
     proto: Object<'gc>,
     activation: &mut Activation<'_, 'gc, '_>,