Revive once again can be replaced with a variety of synonyms depending on the context. If referring to a person recovering from an illness, synonyms could include recover, heal, or recuperate. If referring to restoring something to its former glory, synonyms could include restore, rejuvenate, or renew. If referring to bringing something back to life, synonyms could include resuscitate, revive, or reanimate. Alternatively, if referring to regaining consciousness after being unconscious, synonyms might include awaken, come to, or regain consciousness. Ultimately, the best synonym to use will depend on the specific circumstances and intended meaning.