The Collaborative International Dictionary of English v.0.48:
Reveler \Rev"el*er\, n. [Written also reveller.] One who revels. "Moonshine revelers." --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
reveler n 1: a celebrant who shares in a noisy party; "the clubs attract revelers as young as thirteen" [syn: reveler, reveller, merrymaker]