personate

(verb): To fraudulently portray another person; to impersonate.
(verb): To portray a character (as in a play); to act.
(verb): To attribute personal characteristics to something; to personify.
(verb): To set forth in an unreal character; to disguise; to mask.
(adjective): Having the throat of a corolla nearly closed by a projection of the base of the lower lip (in a way reminiscent of a mask), as in the flower of the snapdragon.