The Collaborative International Dictionary of English v.0.48:
Joviality \Jo`vi*al"i*ty\, n. [Cf. F. jovialit['e].] The quality or state of being jovial. --Sir T. Herbert. [1913 Webster]WordNet (r) 3.0 (2006):
joviality n 1: feeling jolly and jovial and full of good humor [syn: jollity, jolliness, joviality] 2: a jovial nature [syn: conviviality, joviality]