rehabilitate

To restore (someone) to their former state, reputation, possessions, status etc.

To vindicate; to restore the reputation or image of (a person, concept etc.).

To return (something) to its original condition.

To restore or repair (a vehicle, building); to make habitable or usable again.

Cumaratunga was so furious that he intensified his campaign for revitalizing the traditional practices of asweddumization, so that neglected arable land could be rehabilitated, and a degenerating economy restructured and rejuvenated.

Engineers are considering using the blowable insulation to rehabilitate residential buildings in Chicago under an Argonne partnership with Bethel New Life, a Chicago community economic initiative.

To restore to (a criminal etc.) the necessary training and education to allow for a successful reintegration into society; to retrain.