rejuvenate

As a verb rejuvenate is

to render young again.

As a verb rejuvenate

is to render young again.

As an adjective grievous is

causing grief, pain or sorrow.

As verbs the difference between refurbish and rejuvenate

is that refurbish is to rebuild or replenish with all new material; to restore to original (or better) working order and appearance while rejuvenate is to render young again.

As verbs the difference between renew and rejuvenate

is that renew is to make (something) new again; to restore to freshness or original condition while rejuvenate is to render young again.

As verbs the difference between rejuvenate and energize

is that rejuvenate is to render young again while energize is to invigorate, to make energetic.

As verbs the difference between rejuvenate and recuperate

is that rejuvenate is to render young again while recuperate is to recover, especially from an illness; to get better from an illness.

As a verb rejuvenate

is to render young again.

As a noun restorative is

something with restoring properties.

As an adjective restorative is

serving to restore.

As verbs the difference between rejuvenate and recover

is that rejuvenate is to render young again while recover is to get back, regain (a physical thing lost etc.).

As a noun recover is

recovery.

As verbs the difference between rejuvenate and rejuvinate

is that rejuvenate is to render young again while rejuvinate is misspelling of rejuvenate.

As verbs the difference between rejuvenate and rejuvenated

is that rejuvenate is to render young again while rejuvenated is (rejuvenate).