a posture assumed by models for photographic or artistic purposes
pretend to be someone you are not; sometimes with fraudulent intentions; "She posed as the Czar's daughter"
behave affectedly or unnaturally in order to impress others; "Don't pay any attention to him--he is always posing to impress his peers!"; "She postured and made a total fool of herself"
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)
(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"