Etymology First attested in 1652; Borrowed from Latin simulātus, perfect passive participle of simulō (“make like, imitate, copy, represent, feign”) (see -ate (verb-forming suffix)), from similis (“like”). See similar.
1
To model, replicate, duplicate the behavior, appearance or properties of.
We will use a smoke machine to simulate the fog you will actually encounter.
Etymology First attested in c. 1425, in Middle English; inherited from Middle English symulat(e), simulat(e), similat(e) (“feigned; similar”), borrowed from Latin simulātus, see -ate (adjective-forming suffix) and Etymology 1 for more.