noun (n)

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

  Synonym:
  brain, head, mind, nous
  

  source: wordnet30
• the immaterial part of a person; the actuating cause of an individual life(noun.person)

  Synonym:
  soul
  

  source: wordnet30
• (Greek mythology) a beautiful princess loved by Cupid who visited her at night and told her she must not try to see him; became the personification of the soul(noun.person)

  source: wordnet30
• A lovely maiden, daughter of a king and mistress of Eros, or Cupid. She is regarded as the personification of the soul.(noun)

  source: webster1913