Blitheness(n.) The state of being blithe.
Thesaurus Entries
Canaan, New Jerusalem, Zion, affability, agreeability, agreeableness, amenity, amiability, amicability, beatification, beatitude, bewitchment, blessedness, blissfulness, blitheness, cheer, cheerfulness, cloud nine, compatibility, complaisance, congeniality, cordiality, delectation, delight, ecstasy, ecstatics, elation, elysium, empyrean, enchantment, enjoyableness, enjoyment, exaltation, exhilaration, exuberance, felicitousness, felicity, gaiety, geniality, gladness, glee, goodliness, goodness, graciousness, happiness, happy hunting ground, harmoniousness, harmony, heaven, high spirits, intoxication, joy, joyance, joyfulness, joyousness, mellifluousness, mellowness, niceness, nirvana, overhappiness, overjoyfulness, paradise, pleasance, pleasantness, pleasantry, pleasingness, pleasurability, pleasurableness, pleasure, pleasurefulness, rapport, rapture, ravishment, seventh heaven, spirituality, sunshine, sweetness, transport, unalloyed happiness, welcomeness