THESAURUS
beaming, beatific, beatified, birring, blessed, blissful, bombilation, bombinating, bombination, booming, burring, buzzing, capering, cheerful, chirping, dancing, droning, flushed with joy, gay, glad, glowing, happy, hum, humming, joyful, joyous, laughing, leaping, low rumbling, radiant, singing, smiling, smirking, sparkling, starry-eyed, thrice happy, thrumming, whirring, whizzing