See joviality in Webster's New World Roget's A-Z Thesaurus II
noun
A state of joyful exuberance:
blitheness, blithesomeness, gaiety, glee, gleefulness, hilarity, jocoseness, jocosity, jocularity, jocundity, jolliness, jollity, lightheartedness, merriment, merriness, mirth, mirthfulness. See laughter
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