Redintegrate means to restore something to its former state or completeness. Such is a rare word, and hence, not many people may know its synonyms. Some synonyms for redintegrate include rejuvenate, renew, refresh, revive, restore, and recover. These words indicate to make something whole again or bring it back to its previous condition. Thus, the synonyms of redintegrate are used when a person wants to convey that something needs to be brought back to its original form. They are especially useful while writing or speaking about the process of repairing or renewing something that has gone through damage or decay.