Synonyms for Happiness:

n.

happy. beatitude (noun)
felicity.
blessedness (noun)
beatitude.
blitheness (noun)
Jolliness.
cheerfulness (noun)
easygoingness, congeniality, amiability, buoyancy, jauntiness, affability, sunniness, agreeableness, cheerfulness, friendliness, good humor, bonhomie, cordiality, Cheeriness, gaiety, warmness, Jolliness, merriness, complaisance, lightheartedness, geniality, cheer, pleasance.
happiness (noun)
felicity.
heaven (noun)
canaan, apex, afterworld, heaven, mountaintop, rhapsody, fairyland, glory, ether, pinnacle, land o'goshen, culmination, climax, zion, dreamland, shangri-la, paradise, wonderland, hereafter, eternity, summit, acme, stratosphere, everlastingness, goshen, azure, nirvana, immortality, joyfulness, zenith, bliss, spire, ecstasy, eden.
high spirits, satisfaction (noun)
delight, cheer, bliss, gladness, felicity, lightheartedness, gaiety, geniality, exhilaration, laughter, Cheeriness, ecstasy, delirium, vivacity, elation, optimism, joy, sanctity, glee, euphoria, pleasure, beatitude, playfulness, exuberance, well-being, cheerfulness, joviality, good humor, hilarity, seventh heaven, contentment, paradise, enchantment, enjoyment.
pleasure (noun)
contentment, entertainment, Bonniness, pleasure, joy, exhilaration, well-being, amusement, agreeability, relish, delight, enthrallment, rapture, enjoyment, brightness, gladness, satisfaction, jollity, euphoria, gratification.
state (noun)
felicity.

Other synonyms:

elation. optimism, enchantment. humor. bliss
beatitude.
happiness
vivacity, delirium.
joviality
glee.
joy
joviality.
rejoicing
exultation.

Usage examples for happiness

  1. God has not given me happiness but what He may give, so will it be. – Best Russian Short Stories by Various
  2. Carley- you came to wish Flo and me happiness – The Call of the Canyon by Zane Grey