verb

try to deceive someone as to one’s abilities or intentions.

he’s been bluffing all along

pretend,sham,fake,feign,put on an act,put it on,lie,hoax,pose,posture,masquerade,dissemble,dissimulate,kid,deceive,delude,mislead,trick,fool,hoodwink,dupe,take in,beguile,humbug,bamboozle,gull,cheat,con,put one over on,have on,cozen,bullshit