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