noun (n)

• the state of being intensely interested (as by awe or terror)(noun.state)

  Synonym:
  captivation
  

  source: wordnet30
• a feeling of great liking for something wonderful and unusual(noun.feeling)

  Synonym:
  captivation, enchantment, enthrallment
  

  source: wordnet30
• the capacity to attract intense interest(noun.attribute)

  Example:
  He held the children spellbound with magic tricks and other fascinations.
  

  source: wordnet30
• The act of fascinating, bewitching, or enchanting; enchantment; witchcraft; the exercise of a powerful or irresistible influence on the affections or passions; unseen, inexplicable influence.(noun)

  source: webster1913