1807, irregular formation from re- "again" + Latin juvenis "young" (see young (adj.)) + -ate (2). Related: Rejuvenated; rejuvenating.
the land rejuvenated
The contact with his grandchildren rejuvenated him
The old man rejuvenated when he became a grandfather
rejection
rejoice
rejoicing
rejoin
rejoinder
rejuvenate
rejuvenation
rejuvenescence
rejuvenescent
rekindle
-rel