reclamation
noun /ˌrekləˈmeɪʃn/
  /ˌrekləˈmeɪʃn/
[uncountable]- the process of turning land that is naturally too wet or too dry into land that is suitable to be built on, farmed, etc. 
- land reclamation
 
 - the process of obtaining materials from waste products so that they can be used again
- There are opportunities for a company that can develop more efficient water reclamation and purification technology.
 
 - reclamation (of something) (from something) the act of getting something back after it has been lost, taken away, etc.
- The group urges the reclamation of our democracy from corporate power.