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.
— synonyms: computer_simulation
noun representation of something (sometimes on a smaller scale).
— synonyms: model
noun the act of giving a false appearance.
— synonyms: pretense, pretence, pretending, feigning
Examples
“The most reliable simulation predicts that the hurricane will turn north.”
“Despite extensive simulation in the design phase, the aircraft failed to behave as expected.”
“Some kids in the classroom will be playing simulations after school.”