General:
* Varied: This is a good general synonym, emphasizing the presence of different elements.
* Heterogeneous: This implies a mixture of different types or origins.
* Multifaceted: This suggests the presence of many different aspects or characteristics.
* Multiform: Similar to "multifaceted" but emphasizing the variety of forms or shapes.
Specific:
* Multicultural: If referring to different cultures.
* Multiethnic: If referring to different ethnicities.
* Varied: If referring to a wide range of options or choices.
* Disparate: If emphasizing the distinctness or difference between the elements.
* Assorted: This emphasizes a collection of different things.
Formal:
* Diversified: This implies a process of becoming diverse.
* Multifarious: This emphasizes the large number of different elements.
The best choice will depend on the specific context and the nuance you want to convey.