con·viv·i·al
kənˈvivēəl/
adjective
adjective: convivial
  1. (of an atmosphere or event) friendly, lively, and enjoyable.
Origin
mid 17th century (in the sense ‘fit for a feast, festive’): from Latin convivialis, from convivium ‘a feast,’ from con- ‘with’ + vivere ‘live.’