full of cheerfulness or gaiety; joyous in disposition or spirit

a merry little man.

laughingly happy; mirthful; festively joyous; hilarious

a merry time at the party.

Archaic . causing happiness; pleasant; delightful. ?

make merry

to be happy or festive

The New Year's revelers were making merry in the ballroom.

to make fun of; ridicule

The unthinking children made merry of the boy who had no shoes.

noun

blitheness , blithesomeness , glee , gleefulness , hilarity , jocoseness , jocosity , jocularity , jocundity , jolliness , jollity , joviality , lightheartedness , merriment , mirth , mirthfulness