Verb

• S: (v) imitate, copy, simulate (reproduce someone's behavior or looks) "The mime imitated the passers-by"; "Children often copy their parents or older siblings"
• S: (v) model, simulate (create a representation or model of) "The pilots are trained in conditions simulating high-altitude flights"
• S: (v) simulate, assume, sham, feign (make a pretence of) "She assumed indifference, even though she was seething with anger"; "he feigned sleep"