The past tense of Reintegrate is reintegrated.
verb. ['riːˈɪntəˌgreɪt'] integrate again.
1. Verb, base form Other federal teen programs work with teens who have already had legal issues and need to reintegrate with society. 2. Verb, non-3rd person singular present Ash from these fires reintegrate nutrients into the soil and make them more fertile for new plant growth.