noun (n)

• state of well-being characterized by emotions ranging from contentment to intense joy(noun.state)

  Synonym:
  felicity
  Antonym:
  unhappiness
  

  source: wordnet30
• emotions experienced when in a state of well-being(noun.feeling)

  Antonym:
  sadness, unhappiness
  

  source: wordnet30
• Good luck; good fortune; prosperity.(noun)

  source: webster1913