definition of
simulate

[1] #1 simulate v. [imitate, copy] reproduce someone's behavior or looks; "The mime imitated the passers-by"; "Children often copy their parents or older siblings". wn

[2] #2 simulate v. [model] create a representation or model of; "The pilots are trained in conditions simulating high-altitude flights". wn

[3] #3 simulate v. [assume, sham, feign] make a pretence of; "She assumed indifference, even though she was seething with anger"; "he feigned sleep". wn