noun (n)

• knowledge and intellectual ability(noun.cognition)

  Example:
  He has a keen intellect.
  

  Synonym:
  mind
  

  source: wordnet30
• the capacity for rational thought or inference or discrimination(noun.cognition)

  Synonym:
  reason, understanding
  

  source: wordnet30
• a person who uses the mind creatively(noun.person)

  Synonym:
  intellectual
  

  source: wordnet30
• The part or faculty of the human soul by which it knows, as distinguished from the power to feel and to will; sometimes, the capacity for higher forms of knowledge, as distinguished from the power to perceive objects in their relations; the power to judge and comprehend; the thinking faculty; the understanding.(noun)

  source: webster1913