'Simulation' definitions:

Definition of 'simulation'

From: WordNet
noun
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)
noun
(computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated" [syn: simulation, computer simulation]
noun
Representation of something (sometimes on a smaller scale) [syn: model, simulation]
noun
The act of giving a false appearance; "his conformity was only pretending" [syn: pretense, pretence, pretending, simulation, feigning]

Definition of 'Simulation'

From: GCIDE
  • Simulation \Sim`u*la"tion\, n. [F. simulation, L. simulatio.] The act of simulating, or assuming an appearance which is feigned, or not true; -- distinguished from dissimulation, which disguises or conceals what is true. [1913 Webster]
  • Syn: Counterfeiting; feint; pretense. [1913 Webster]