re ‧ ju ‧ ve ‧ nate /rɪˈdʒuːvəneɪt/ BrE AmE verb [transitive]
[ Date: 1800-1900 ; Language: Latin ; Origin: juvenis 'young' ]
1 . to make something work much better or become much better again:
plans to rejuvenate the inner city areas
2 . [usually passive] to make someone look or feel young and strong again:
I came back from holiday feeling rejuvenated.
—rejuvenation /rɪˌdʒuːvəˈneɪʃ ə n/ noun [singular, uncountable]