WordNet (r) 3.0 (2006):

striptease
    n 1: a performer who provides erotic entertainment by undressing
         to music [syn: stripper, striptease artist,
         striptease, stripteaser, exotic dancer, ecdysiast,
         peeler]
    2: a form of erotic entertainment in which a dancer gradually
       undresses to music; "she did a strip right in front of
       everyone" [syn: strip, striptease, strip show]

Moby Thesaurus II by Grady Ward, 1.0:

37 Moby Thesaurus words for "striptease":
   act, afterpiece, bit, chaser, curtain, curtain call,
   curtain raiser, disrobement, disrobing, divertimento,
   divertissement, epilogue, exode, exodus, expository scene, finale,
   hoke act, interlude, intermezzo, intermission, introduction,
   molting, number, peeling, prologue, routine, scene, shedding,
   shtick, sketch, skit, song and dance, stand-up comedy act, strip,
   stripping, turn, undressing