Main entry: simulation, pretence, pretending, pretense, feigning
Definition: the act of giving a false appearance
Usage: his conformity was only pretending
Main entry: simulation
Definition: the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
Main entry: model, simulation
Definition: representation of something (sometimes on a smaller scale)
Main entry: simulation, computer simulation
Definition: (computer science) the technique of representing the real world by a computer program
Usage: a simulation should imitate the internal processes and not merely the results of the thing being simulated