Webster's English Dictionary

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consciousness

con.scious.ness \'ka:n-ch*-sn*s\ n 1: awareness esp. of something within 
   oneself; also : the state or  fact of being conscious of an external 
   object, state, or fact 2: the state of being characterized by sensation, 
   emotion, volition, and th ought : MIND 3: the totality of conscious states 
   of an individual  4: the normal state of conscious life  5: the upper level 
   of mental life as contrasted with unconscious processes