Synonyms of pretending

2 Syllables
bluffing, shamming, hamming, cheating, stooging, masking, acting
3 Syllables
stagecraft, pretense, stochastic, covering, concealment, dissembling, flamboyance, garishness, showiness
4 Syllables
simulation, counterfeiting, ostentation, window-dressing, refutable, ostentations
5 Syllables
hypothetical, dissimulation