(n.) One who sees or beholds; a beholder; one who is present at an exhibition\; as, the spectators at a show.

accepter acquirer addressee aficionado attender attestant attestator attester audience auditor auditory beholder buff bystander claqueur cojuror compurgator congregation consignee deadhead deponent earwitness eyewitness fan frequenter gallery gazer getter groundling habitue haunter hearer hired applauder holder house informant informer listener looker looker-on moviegoer newer observer obtainer onlooker orchestra pass holder passerby patron payee perceiver pit playgoer procurer receiver recipient seer standee swearer taker testifier theater theatergoer trustee viewer visitor voucher watcher witness