conviviality n 1: a jovial nature [syn: {conviviality}, {joviality}] 2: a boisterous celebration; a merry festivity [syn: {merrymaking}, {conviviality}, {jollification}]
Conviviality \Con*viv`i*al"i*ty\, n.; pl. {Convivialities}. The good humor or mirth indulged in upon festive occasions; a convivial spirit or humor; festivity. [1913 Webster]