Source : WordNet®

aliveness
     n 1: the condition of living or the state of being alive; "while
          there's life there's hope"; "life depends on many
          chemical and physical processes" [syn: {animation}, {life},
           {living}]
     2: having animal life as distinguished from plant life; "full
        of life" [syn: {animateness}, {liveness}] [ant: {inanimateness}]