rejuvenate

verb

1. 1

   become young again

   The old man rejuvenated when he became a grandfather

2. 2

   return to life; get or give new life or energy

   The week at the spa restored me

3. 3

   make younger or more youthful

   The contact with his grandchildren rejuvenated him

4. 4

   develop youthful topographical features

   the land rejuvenated

5. 5

   cause (a stream or river) to erode, as by an uplift of the land