re-form

verb

1. To put into a new and improved form or condition; to restore to a former good state, or bring from bad to good; to change from worse to better“1909, H. G. Wells, The History of Mr. Polly Chapter 9”
2. To return to a good state; to amend or correct one's own character or habits“It is hoped that many criminals, upon being freed, will eventually reform.”
3. To form again or in a new configuration.“The regiment reformed after surviving the first attack.”