DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   sentience
       n 1: state of elementary or undifferentiated consciousness; "the
            crash intruded on his awareness" [syn: awareness,
            sentience]
       2: the faculty through which the external world is apprehended;
          "in the dark he had to depend on touch and on his senses of
          smell and hearing" [syn: sense, sensation, sentience,
          sentiency, sensory faculty]
       3: the readiness to perceive sensations; elementary or
          undifferentiated consciousness; "gave sentience to slugs and
          newts"- Richard Eberhart [ant: insentience]