lightheartedness β carefree; cheerful; merry: a lighthearted laugh.
liveliness β full or suggestive of life or vital energy; active, vigorous, or brisk: a lively discussion.
merriment β cheerful or joyful gaiety; mirth; hilarity; laughter.
merrymaking β the act of taking part gaily or enthusiastically in some festive or merry celebration.
mirth β gaiety or jollity, especially when accompanied by laughter: the excitement and mirth of the holiday season.
mirthfulness β joyous; cheerful; jolly; merry: a mirthful laugh.
pleasantness β pleasing, agreeable, or enjoyable; giving pleasure: pleasant news.
radiance β radiant brightness or light: the radiance of the tropical sun.
revel β to take great pleasure or delight (usually followed by in): to revel in luxury.
revelry β reveling; boisterous festivity: Their revelry could be heard across the river.
shindig β an elaborate or large dance, party, or other celebration.
showiness β the property or characteristic of being showy.
sparkle β to issue in or as if in little sparks, as fire or light: The candlelight sparkled in the crystal.
sport β an athletic activity requiring skill or physical prowess and often of a competitive nature, as racing, baseball, tennis, golf, bowling, wrestling, boxing, hunting, fishing, etc.