(1):

(superl.) Full of life and mirth; jovial; joyous; merry; mirthful.

(2):

(superl.) Expressing mirth, or inspiring it; exciting mirth and gayety.

(3):

(a.) A marine in the English navy.

(4):

(superl.) Of fine appearance; handsome; excellent; lively; agreeable; pleasant.

(5):

(v. t.) To cause to be jolly; to make good-natured; to encourage to feel pleasant or cheerful; - often implying an insincere or bantering spirit; hence, to poke fun at.