noun (n)

• the power of creative imagination(noun.cognition)

  Synonym:
  cleverness, ingeniousness, inventiveness
  

  source: wordnet30
• the property of being ingenious(noun.attribute)

  Example:
  A plot of great ingenuity.
  

  Synonym:
  cleverness, ingeniousness
  

  source: wordnet30
• The quality or power of ready invention; quickness or acuteness in forming new combinations; ingeniousness; skill in devising or combining.(noun)

  source: webster1913