(a.) Glad; gay; merry; joyful; also, affording or inspiring joy; with of before the word or words expressing the cause of joy.
Thesaurus Entries
animating, beaming, beatific, beatified, blessed, blissful, buxom, capering, cheerful, cheering, cheery, chirping, convivial, dancing, ecstatic, encouraging, enlivening, exhilarating, festal, festive, flushed with joy, frivolous, gala, gay, glad, gladdening, gladsome, gleeful, glowing, happy, heart-warming, heartening, hilarious, inspiring, inspiriting, invigorating, jocular, jocund, jolly, jovial, joyful, laughing, laughter-loving, leaping, lighthearted, merry, merrymaking, mirth-loving, mirthful, on the loose, purring, radiant, rapturous, rejoicing, risible, singing, smiling, smirking, sparkling, starry-eyed, thrice happy, transported
