im·per·son·ate [ im púrss'n àyt ](past and past participleim·per·son·at·ed, present participleim·per·son·at·ing, 3rd person present singularim·per·son·ates)
transitive verb
Definition:
1. mimic: to mimic the voice, appearance, and manners of somebody else, especially in order to entertain
2. act a part: to pretend to be somebody else, especially illegally in order to deceive
[Early 17th century. <IM + Latin persona "mask worn by an actor, character," after incorporate]
