noun (n)

• common sense(noun.cognition)

  Example:
  She has great social nous.
  

  source: wordnet30
• that which is responsible for one's thoughts and feelings; the seat of the faculty of reason(noun.cognition)

  Synonym:
  brain, head, mind, psyche
  

  source: wordnet30
• Intellect; understanding; talent; -- used humorously.(noun)

  source: webster1913
• The reason; the highest intellect; God regarded as the World Reason.(noun)

  source: webster1913