The Collaborative International Dictionary
Convival
Convival \Con*viv"al\, a. [L. convivalis. See Convive.]
pertaining to a feast or to festivity; convivial. [Obs.] ``A
convival dish.''
--Sir T. Browne.
Douglas Harper's Etymology Dictionary
Wiktionary
convival
a. (context obsolete English) Relating to a feast or festivity; convivial.