1) Apt to jump and shout 2) Delighted 3) Elated 4) Full of exultant joy 5) Full of fun 6) Full of high-spirited delight 7) Full of joy 8) Jocular 9) Joyful 10) Joyous 11) Jubilant 12) Merry 13) Opposite of down 14) Pleased as punch Found on https://www.crosswordclues.com/clue/gleeful