reclaim, recover -- (reuse (materials from waste products))
reform, reclaim, regenerate, rectify -- (bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one; "The Church reformed me"; "reform your conduct")
reclaim -- (make useful again; transform from a useless or uncultivated state; "The people reclaimed the marshes")
domesticate, domesticize, domesticise, reclaim, tame -- (overcome the wildness of; make docile and tractable; "He tames lions for the circus"; "reclaim falcons")