simulation

Meaning

Something that simulates a system or environment in order to predict actual behaviour.
The process of simulating.
A video game designed to convey a more or less realistic experience, as of a sport or warfare.
Assuming an appearance which is feigned, or not true.
The act of falling over in order to be awarded a foul, when no foul has been committed.

First attested in 1340. From Middle English simulacion/simulacioun, from Old French simulation/simulacion, from Latin simulātiōnem, from simulō.
Morphologically simulate + -ion.

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