juvenescence

The franchise has maintained a delightful juvenescence.

Jack paused as he reached the final row of uprights, sensing as if Speedy Parker's illusory juvenescence were the key to them that the Daydreams were somehow very near, hovering all about him.

The nine essays that make up "Spring" take place mostly in Florida, where "the geezer fans and their geezerettes" catch some rays while celebrating "the juvenescence of the year and the senescence of the fans."