re ‧ viv ‧ i ‧ fy /riːˈvɪvəfaɪ, riːˈvɪvɪfaɪ/ BrE AmE verb ( past tense and past participle revivified , present participle revivifying , third person singular revivifies ) [transitive]
formal to give new life and health to someone or something:
The aim was to strengthen and revivify the Labour Party.