THESAURUS
Claqueur
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
ROGET THESAURUS
Claqueur
Flatterer
N
flatterer, adulator, eulogist, euphemist, optimist, encomiast, laudator, whitewasher, toady, toadeater, sycophant, courtier, Sir Pertinax MacSycophant, flaneur, proneur, puffer, touter, claqueur, clawback, earwig, doer of dirty work, parasite, hanger-on, yes-man, suckup, ass-kisser, brown-noser, teacher's pet, pessimum genus inimicorum laudantes.