reclaim

verb

1. claim back
2. reuse (materials from waste products)
3. bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one"The Church reformed me"
4. make useful again; transform from a useless or uncultivated state"The people reclaimed the marshes"
5. overcome the wildness of; make docile and tractable"He tames lions for the circus"