acknowledge act act a part admit admit everything affect allow assume avow betray bluff come clean concede confess cop a plea counterfeit cover up disclose dissemble dissimulate divulge fake feign four-flush gammon give away grant let on like let out make a pretense make as if make believe make like open up out with it own own up play play a part play possum playact plead guilty pretend profess put on sham simulate spill spill it spit it out tell tell all tell the truth uncover