Hilarity
Pronunciation : Hi*lar"i*ty
Part of Speech : n.
Etymology : [L. hilaritas: cf. F. hilarit?. See Hilarious.]
Definition : Defn: Boisterous mirth; merriment; jollity. Goldsmith.
Note: Hilarity differs from joy: the latter, excited by good news or prosperity, is an affection of the mind; the former, produced by social pleasure, drinking, etc., which rouse the animal spirits, is more demonstrative.
Syn. -- Glee; cheerfulness; mirth; merriment; gayety; joyousness; exhilaration; joviality; jollity.
Source : Webster's Unabridged Dictionary, 1913