WordNet (r) 3.0 (2006):

put-on
    n 1: a composition that imitates or misrepresents somebody's
         style, usually in a humorous way [syn: parody, lampoon,
         spoof, sendup, mockery, takeoff, burlesque,
         travesty, charade, pasquinade, put-on]
    2: something intended to deceive; deliberate trickery intended
       to gain an advantage [syn: fraud, fraudulence, dupery,
       hoax, humbug, put-on]
    3: a ludicrous or grotesque act done for fun and amusement [syn:
       antic, joke, prank, trick, caper, put-on]