rejuvenate in WordNet English dictionary

1. return to life; get or give new life or energy
   "The week at the spa restored me"
   regenerate  restore  rejuvenate 
   
2. become young again
   "The old man rejuvenated when he became a grandfather"
   rejuvenate 
   
3. make younger or more youthful
   "The contact with his grandchildren rejuvenated him"
   rejuvenate 
   
4. develop youthful topographical features
   "the land rejuvenated"
   rejuvenate 
   
5. cause (a stream or river) to erode, as by an uplift of the land
   rejuvenate