Source : Webster's Revised Unabridged Dictionary (1913)

Mimetic \Mi*met"ic\ (?; 277), Mimetical \Mi*met"ic*al\, [Gr. ?,
   fr. ? to imitate.]
   1. Apt to imitate; given to mimicry; imitative.

   2. (Biol.) Characterized by mimicry; -- applied to animals
      and plants; as, mimetic species; mimetic organisms. See
      {Mimicry}.

Source : WordNet®

mimetic
     adj 1: characterized by or of the nature of or using mimesis; "a
            mimetic dance"; "the mimetic presentation of images"
     2: exhibiting mimicry; "mimetic coloring of a butterfly"; "the
        mimetic tendency of infancy"- R.W.Hamilton