Open English Wordnet
Adjectives
(s)gay, jocund, jolly, jovial, merry, mirthfulfull of or showing high-spirited merriment“when hearts were young and gay”, “a poet could not but be gay, in such a jocund company” (Wordsworth), “the jolly crowd at the reunion”, “jolly old Saint Nick”, “a jovial old gentleman”, “have a merry Christmas”, “peals of merry laughter”, “a mirthful laugh”