Rejuvenate (r-jv-nt), v. t. — Webster enters it under “rejuvenate”
Etymology: [Pref. re- re- + L. juventis young, youthful.]
To render young again.
Shades of meaning
Fernald lists rejuvenating only as an antonym, under pernicious.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given