simulate in WordNet English dictionary

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