Something that simulates a system or environment in order to predict actual behaviour. / The process of simulating.

plural of simulation

Of or pertaining to simulation

To model, replicate, duplicate the behavior, appearance or properties of.

(obsolete) Feigned; pretended.

Something that simulates something else such as, for example, a gemstone.

(chiefly biology) Simulating, replacing, or having the form or appearance of something else.

simple past tense and past participle of simulate

Invented in imitation of a particular thing or of a specific condition; artificial.

(gaming) A simultaneous exhibition: one player, typically very strong, plays several games at the same time against different opponents, typically weaker.