noun (n)

• a feeling of strong eagerness (usually in favor of a person or cause)(noun.feeling)

  Synonym:
  ardor, elan, zeal
  

  source: wordnet30
• intense feeling of love(noun.feeling)

  Synonym:
  ardor
  

  source: wordnet30
• feelings of great warmth and intensity(noun.feeling)

  Synonym:
  ardor, fervency, fervidness, fervor, fervour, fire
  

  source: wordnet30