Source : Webster's Revised Unabridged Dictionary (1913)

Simulate \Sim"u*late\, a. [L. simulatus, p. p. of simulare to
   simulate; akin to simul at the same time, together, similis
   like. See {Similar}, and cf. {Dissemble}, {Semblance}.]
   Feigned; pretended. --Bale.

Simulate \Sim"u*late\, v. t. [imp. & p. p. {Simulated}; p. pr. &
   vb. n. {Simulating}.]
   To assume the mere appearance of, without the reality; to
   assume the signs or indications of, falsely; to counterfeit;
   to feign.

         The Puritans, even in the depths of the dungeons to
         which she had sent them, prayed, and with no simulated
         fervor, that she might be kept from the dagger of the
         assassin.                                --Macaulay.

Source : WordNet®

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