Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act or process of simulating.
  • n. An imitation; a sham.
  • n. Assumption of a false appearance.
  • n. Imitation or representation, as of a potential situation or in experimental testing.
  • n. Representation of the operation or features of one process or system through the use of another: computer simulation of an in-flight emergency.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Something which simulates a system or environment in order to predict actual behaviour.
  • n. The process of simulating.
  • n. Assuming an appearance which is feigned, or not true.
  • n. The act of falling over in order to be awarded a foul, when a foul hasn't been committed.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of simulating, or assuming an appearance which is feigned, or not true; -- distinguished from dissimulation, which disguises or conceals what is true.

from The Century Dictionary and Cyclopedia

  • n. The act of simulating, or feigning or counterfeiting; the false assumption of a certain appearance or character; pretense, usually for the purpose of deceiving.
  • n. Specifically— In phonology, imitation in form; the alteration of the form of a word so as to approach or agree with that of another word having some accidental similarity, and to suggest a connection between them: a tendency of popular etymology.
  • n. In biology, unconscious imitation or protective mimicry; assimilation in appearance.
  • n. Resemblance; similarity.
  • n. In French law, a fictitious engagement, contract, or conveyance, made eitner as a fraud where no real transaction is intended, or as a mask or cover for a different transaction, in which case it may sometimes be made in good faith and valid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the act of giving a false appearance
  • n. 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)
  • n. representation of something (sometimes on a smaller scale)
  • n. (computer science) the technique of representing the real world by a computer program

Etymologies

First attested in 1340. From Middle English simulacion/simulacioun, from Old French simulation/simulacion, from Latin simulātiōnem, from simulō ("imitate"). (Wiktionary)

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