noun

concealment of one’s thoughts, feelings, or character; pretence.

an attempt at dissimulation

pretence,dissembling,misrepresentation,deceit,dishonesty,duplicity,lying,guile,subterfuge,feigning,falsification,shamming,faking,bluff,bluffing,counterfeiting,posturing,hypocrisy,double-dealing,concealment,concealing,masking,disguising,hiding,veiling,shrouding,codology,kidology