simulated adj.

1620s, "feign, pretend, assume falsely the appearance of" (implied in simulated), a back-formation from simulation or else from Latin simulatus, past participle of simulare "to make like, imitate, copy, represent," from the stem of similis "like, resembling, of the same kind" (see similar). The meaning "use a model to imitate certain conditions for purposes of study or training" is from 1947. Related: Simulating.

mid-14c., simulacioun, "a false show, false profession," from Old French simulation "pretence" and directly from Latin simulationem (nominative simulatio) "an imitating, feigning, false show, hypocrisy," noun of action from past-participle stem of simulare "imitate," from stem of similis "like, resembling, of the same kind" (see similar). The meaning "a model or mock-up for purposes of experiment or training" is from 1954.