(a.) Full of joy; having or causing joy; very glad; as, a joyful heart.

animating beaming beatific beatified blessed blissful blithe blithesome buoyant buxom capering cheerful cheering cheery chirping convivial dancing delighted ecstatic effervescent elated encouraging enlivening exhilarated exhilarating expansive exultant festal festive flushed with joy frivolous gala gay glad gladdening gladsome gleeful glowing gratified happy heart-warming heartening hilarious in heaven in seventh heaven inspiring inspiriting invigorating jocular jocund jolly jovial joyous jubilant laughing laughter-loving leaping light-hearted lighthearted merry merrymaking mirth-loving mirthful on cloud nine on the loose overjoyed pleased purring radiant rejoicing risible singing smiling smirking sparkling starry-eyed sunny thrice happy tickled pink