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