Definitions
1.verbTo fraudulently portray another person; to impersonate.
2.verbTo portray a character (as in a play); to act.
3.verbTo attribute personal characteristics to something; to personify.
4.verbTo set forth in an unreal character; to disguise; to mask.
5.adjectiveHaving 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.