psyche

Noun

• (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

• the immaterial part of a person; the actuating cause of an individual life

• that which is responsible for one's thoughts and feelings; the seat of the faculty of reason
  • his mind wandered
    
  • I couldn't get his words out of my head
    

Related words

• Synonyms: 
  Psyche , soul , mind , head , brain , nous