rejuvenation

noun

1. (countable, uncountable)The process of rendering young again.

   “Utnapishtim hears his wife's plea and tells Gilgamesh where he can find a miraculous plant of invigoration and rejuvenation.”

2. (countable, uncountable)The process of producing beneficial changes.

   “the rejuvenation of the city center”

   “The 1987 book British Piers was written at a time when Britain's seaside resorts were perhaps at their lowest ebb, with a groundswell of support for rejuvenation and conservation just beginning.”