not straightforward or candid; giving a false appearance of frankness; "an ambitious, disingenuous, philistine, and hypocritical operator, who...exemplified...the most disagreeable traits of his time"- David Cannadine; "a disingenuous excuse"
conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end; "He bamboozled his professors into thinking that he knew the subject well"
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"
based on or having the nature of an illusion; "illusive hopes of finding a better job"; "Secret activities offer presidents the alluring but often illusory promise that they can achieve foreign policy goals without the bothersome debate and open decision that are staples of democracy"