Definitions of imitation:

• noun:   copying (or trying to copy) the actions of someone else
• noun:   a copy that is represented as the original
• noun:   the doctrine that representations of nature or human behavior should be accurate imitations
• noun:   a representation of a person that is exaggerated for comic effect
• adjective:   not genuine or real; being an imitation of the genuine article

  Example: "Decorated with imitation palm leaves"