Synonyms and related words :
adherent, applauder, appreciator, attender, audience, booster, buff, commender, deadhead, encomiast, eulogist, eulogizer, extoller, fan, groundling, hired applauder, lauder, moviegoer, panegyrist, pass holder, playgoer, plugger, praiser, promoter, puffer, rooter, spectator, standee, theatergoer, tout, touter