noun (n)

• a state in which you want to learn more about something(noun.cognition)

  Synonym:
  wonder
  

  source: wordnet30
• something unusual -- perhaps worthy of collecting(noun.artifact)

  Synonym:
  curio, oddity, oddment, peculiarity, rarity
  

  source: wordnet30
• The state or quality or being curious; nicety; accuracy; exactness; elaboration.(noun)

  source: webster1913