joyous
affable
amiable
bantering
blithe
blithesome
boon
buxom
chaffing
convivial
facetious
festal
festive
free and easy
frivolous
gala
gay
genial
gladsome
gleeful
good-natured
hail-fellow-well-met
hearty
hilarious
humorous
jocose
jocular
jocund
jolly
jollying
joshing
joyful
laughter-loving
lighthearted
merry
merrymaking
mirth-inspiring
mirth-loving
mirthful
on the loose
rejoicing
Jove
Jovian
benevolent
boisterous
brave
cheery
good-humored
light-hearted
playful
talkative
vivacious