Dissimulation
Pronunciation : Dis*sim`u*la"tion
Part of Speech : n.
Etymology : [L. dissimulatio: cf. F. dissimulation.]
Definition : Defn: The act of dissembling; a hiding under a false appearance; concealment by feigning; false pretension; hypocrisy. Let love be without dissimulation. Rom. xii. 9. Dissimulation . . . when a man lets fall signs and arguments that he is not that he is. Bacon. Simulation is a pretense of what is not, and dissimulation a concealment of what is. Tatler.
Source : Webster's Unabridged Dictionary, 1913