diff --git a/include/cantera/numerics/Func1Factory.h b/include/cantera/numerics/Func1Factory.h
index 198371c76b..fab729f3c3 100644
--- a/include/cantera/numerics/Func1Factory.h
+++ b/include/cantera/numerics/Func1Factory.h
@@ -146,9 +146,9 @@ shared_ptr<Func1> newFunc1(const string& func1Type,
 //! Check definition of functor object.
 //! @param func1Type  String identifying functor type.
 //! @return string indicating functor type: @c "undefined" if not defined;
-//!     @c "simple" if @ref func1basic or @ref func1advanced (defined in Func1Factory);
-//!     @c "compound" if @ref func1compound (defined in Math1FactoryA); or
-//!     @c "modified" if @ref func1modified (defined in Math1FactoryB).
+//!     @c "standard" if @ref func1basic or @ref func1advanced (defined in
+//!     Func1Factory); @c "compound" if @ref func1compound (defined in Math1FactoryA);
+//!     or @c "modified" if @ref func1modified (defined in Math1FactoryB).
 //! @internal Not intended for use in external API's (Python, MATLAB, etc.).
 //! @ingroup func1helper
 //! @since New in %Cantera 3.1
diff --git a/interfaces/cython/cantera/func1.pyx b/interfaces/cython/cantera/func1.pyx
index 084b4dbae1..4a58222cfa 100644
--- a/interfaces/cython/cantera/func1.pyx
+++ b/interfaces/cython/cantera/func1.pyx
@@ -127,17 +127,17 @@ cdef class Func1:
         func1_type = pystr(CxxCheckFunc1(cxx_string))
         if func1_type == "undefined":
             raise NotImplementedError(f"Functor '{functor_type}' is not implemented.")
-        if len(args) == 0 and func1_type == "simple":
-            # simple functor with no parameter
+        if len(args) == 0 and func1_type == "standard":
+            # basic functor with no parameter
             func = CxxNewFunc1(cxx_string, 1.)
-        elif len(args) == 1 and func1_type == "simple":
+        elif len(args) == 1 and func1_type == "standard":
             if hasattr(args[0], "__len__"):
                 # advanced functor with array and no parameter
                 for v in args[0]:
                     arr.push_back(v)
                 func = CxxNewFunc1(cxx_string, arr)
             else:
-                # simple functor with scalar parameter
+                # basic functor with scalar parameter
                 func = CxxNewFunc1(cxx_string, float(args[0]))
         elif len(args) == 2:
             if func1_type == "compound":
@@ -161,7 +161,7 @@ cdef class Func1:
                 else:
                     raise ValueError(f"Invalid arguments for modifying functor.")
                 func = CxxNewFunc1(cxx_string, f0._func, float(args[1]))
-            elif func1_type == "simple":
+            elif func1_type == "standard":
                 # tabulating functor
                 if hasattr(args[0], "__len__") and hasattr(args[1], "__len__"):
                     for v in args[0]:
diff --git a/interfaces/matlab_experimental/Func/Func1.m b/interfaces/matlab_experimental/Func/Func1.m
index 8d8643f995..b231a5176c 100644
--- a/interfaces/matlab_experimental/Func/Func1.m
+++ b/interfaces/matlab_experimental/Func/Func1.m
@@ -76,13 +76,13 @@
                 error(['Functor ''' typ ''' is not implemented'])
             end
 
-            if length(varargin) == 0 && func1Type == "simple"
-                % simple functor with no parameter
+            if length(varargin) == 0 && func1Type == "standard"
+                % basic functor with no parameter
                 x.id = ctFunc('func_new_basic', typ, 1.);
-            elseif length(varargin) == 1 && func1Type == "simple"
+            elseif length(varargin) == 1 && func1Type == "standard"
                 coeffs = varargin{1};
                 if length(coeffs) == 1
-                    % simple functor with scalar parameter
+                    % basic functor with scalar parameter
                     x.id = ctFunc('func_new_basic', typ, coeffs);
                 elseif isa(coeffs, 'double')
                     % advanced functor with array parameter
@@ -110,7 +110,7 @@
                         error('Invalid arguments for modifying functor')
                     end
                     x.id = ctFunc('func_new_modified', typ, arg1.id, arg2);
-                else % func1Type == "simple"
+                else % func1Type == "standard"
                     % tabulating functors
                     if ~isa(arg1, 'double') || ~isa(arg2, 'double')
                         error('Invalid arguments for tabulating functor')
diff --git a/src/numerics/Func1Factory.cpp b/src/numerics/Func1Factory.cpp
index 90c2605b5f..7a30245dc0 100644
--- a/src/numerics/Func1Factory.cpp
+++ b/src/numerics/Func1Factory.cpp
@@ -171,8 +171,8 @@ shared_ptr<Func1> newFunc1(const string& func1Type,
 string checkFunc1(const string& func1Type)
 {
     if (Func1Factory::factory()->exists(func1Type)) {
-        // simple functor
-        return "simple";
+        // standard functor
+        return "standard";
     }
     if (Math1FactoryA::factory()->exists(func1Type)) {
         // compounding functor
diff --git a/test/general/test_numerics.cpp b/test/general/test_numerics.cpp
index 78f499ddb6..8a2cfbfd88 100644
--- a/test/general/test_numerics.cpp
+++ b/test/general/test_numerics.cpp
@@ -145,7 +145,7 @@ TEST(ctfunc, invalid)
 
 TEST(ctfunc, sin)
 {
-    ASSERT_EQ(checkFunc1("sin"), "simple");
+    ASSERT_EQ(checkFunc1("sin"), "standard");
     double omega = 2.;
     auto functor = newFunc1("sin", omega);
     ASSERT_EQ(functor->type(), "sin");
@@ -274,7 +274,7 @@ TEST(ctfunc, tabulated_previous)
 
 TEST(ctfunc, poly)
 {
-    ASSERT_EQ(checkFunc1("polynomial3"), "simple");
+    ASSERT_EQ(checkFunc1("polynomial3"), "standard");
     double a0 = .5;
     double a1 = .25;
     double a2 = .125;