Source : Webster's Revised Unabridged Dictionary (1913)

Utilization \U`til*i*za"tion\, n. [Cf. F. utilization.]
   The act of utilizing, or the state of being utilized.

Source : WordNet®

utilization
     n 1: the act of using; "he warned against the use of narcotic
          drugs"; "skilled in the utilization of computers" [syn:
          {use}, {usage}, {utilisation}, {employment}, {exercise}]
     2: the state of having been made use of; "the rate of
        utilization"