The Collaborative International Dictionary of English v.0.48:

Vitalization \Vi`tal*i*za"tion\, n.
   The act or process of vitalizing, or infusing the vital
   principle.
   [1913 Webster]

WordNet (r) 3.0 (2006):

vitalization
    n 1: the state of being vitalized and filled with life [syn:
         vitalization, vitalisation]