1. merry, jolly, convivial, gay, joyful, mirthful. Jovial, jocose, jocular, jocund agree in referring to someone who is in a good humor. Jovial suggests a hearty, joyous humor: a jovial person. Jocose refers to that which causes laughter; it suggests someone who is playful and given to jesting: with jocose and comical airs. Jocular means humorous, facetious, mirthful, and waggish: jocular enough to keep up the spirits of all around him. Jocund, now a literary word, suggests a cheerful, light-hearted, and sprightly gaiety: glad and jocund company.