Source : Webster's Revised Unabridged Dictionary (1913)

Convivial \Con*viv"i*al\ (?; 277), a. [From L. convivium a
   feast; con- + vivere to live. See {Victuals}, and cf.
   {Convive}.]
   Of or relating to a feast or entertainment, or to eating and
   drinking, with accompanying festivity; festive; social; gay;
   jovial.

         Which feasts convivial meetings we did name. --Denham.

Source : WordNet®

convivial
     adj : occupied with or fond of the pleasures of good company; "a
           convivial atmosphere at the reunion"; "a woman of
           convivial nature"; "he was a real good-time Charlie"
           [syn: {good-time}]