imitation

nouns

the doctrine that representations of nature or human behavior should be accurate imitations
antonym
is a type of (narrower)
a belief (or system of beliefs) accepted as authoritative by some group or school
something copied or derived from an original
is a type of (narrower)
a thing made to be similar or identical to another thing
"she made a copy of the designer dress"; "the clone was a copy of its ancestor"
copying (or trying to copy) the actions of someone else
is derived from
is a type of (narrower)
an act of copying
a representation of a person that is exaggerated for comic effect

adjectives

not genuine or real; being an imitation of the genuine article
"it isn't fake anything; it's real synthetic fur"; "faux pearls"; "false teeth"; "decorated with imitation palm leaves"; "a purse of simulated alligator hide"