What is the synonym of imitation?

Here are some synonyms for "imitation," depending on the specific context:

General:

* Copy

* Replica

* Reproduction

* Facsimile

* Counterfeit

* Mock-up

* Simulation

* Emulation

* Mimicry

More specific:

* Forgery (when the imitation is intended to deceive)

* Parody (when the imitation is humorous or satirical)

* Tribute (when the imitation is intended to honor the original)

* Homage (similar to tribute, but with a more formal or respectful tone)

The best synonym for "imitation" will depend on the specific situation and the nuances you want to convey.