Here are some other words you might use depending on the context:
* Imitation: This is a more general term that can refer to copying anything, not just people or animals.
* Simulation: This implies creating a model or representation of something, often for scientific or educational purposes.
* Emulation: This implies striving to be like someone or something, often with the goal of surpassing them.
* Parody: This involves imitating something for humorous or satirical effect.
* Camouflage: This refers to imitating the surroundings in order to blend in and hide.
Let me know if you need more examples or have any other questions!