mirthful
adj.
full of or showing high-spirited merriment
when hearts were young and gay|a poet could not but be gay, in such a jocund company|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
Synonym: gay, jocund, jolly, jovial, merry
adj.
arousing or provoking laughter
an amusing film with a steady stream of pranks and pratfalls|an amusing fellow|a comic hat|a comical look of surprise|funny stories that made everybody laugh|a very funny writer|it would have been laughable if it hadn't hurt so much|a mirthful experience|risible courtroom antics