DISSEMBLE

to disguise or conceal

to mislead

/make believe with the intent to deceive

behave unnaturally or affectedly

hide under a false appearance

SYN - affect, pretend, cloak

"He had worn the clothes to dissemble at the party."

"He had been known to dissemble in conversations about this, which is why I was listening closely to make sure i was not being deceived with make believe."

"He had hoped to dissemble the papers before anyone would take notice of what exactly they had seen."

"It is true that he hadn't outright lied to them, but they way he dissembled the facts was a sort of lying."