THESAURUS
resurgence
new birth, palingenesis, palingenesy, reanimation, rebirth, recrudescence, refreshment, regeneracy, regenerateness, regeneration, regenesis, rejuvenation, rejuvenescence, renaissance, renascence, renewal, restoration, resumption, resurrection, resuscitation, return, revival, revivescence, revivescency, revivification, second wind, second youth