- mimeticity
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The quality or state of being mimetic, or the degree to which one is mimetic.
Now the Imitation Theory of Art (IT) is, if one but thinks it through, an exceedingly powerful theory. . . . Moreover, it is a simple matter to shore it up against many purported counterinstances by such auxiliary hypotheses as that the artist who deviates from mimeticity is perverse, inept, or mad.
Wikipedia foundation.