The Collaborative International Dictionary of English v.0.48:
Revitalize \Re*vi"tal*ize\, v. t. To restore vitality to; to bring back to life. --L. S. Beale. [1913 Webster]WordNet (r) 3.0 (2006):
revitalize v 1: restore strength; "This food revitalized the patient" [syn: regenerate, revitalize] 2: give new life or vigor to [syn: revitalize, revitalise]