1. (

• imitate ,
• copy ,
• simulate ,

) reproduce someone's behavior or looks; "The mime imitated the passers-by"; "Children often copy their parents or older siblings" ;

2. (

• model ,
• simulate ,

) create a representation or model of; "The pilots are trained in conditions simulating high-altitude flights" ;

3. (

• simulate ,
• assume ,
• sham ,
• feign

) make a pretence of; "She assumed indifference, even though she was seething with anger"; "he feigned sleep" ;