noun (n)

• the conversion of wasteland into land suitable for use of habitation or cultivation(noun.act)

  Synonym:
  rehabilitation, renewal
  

  source: wordnet30
• rescuing from error and returning to a rightful course(noun.act)

  Example:
  The reclamation of delinquent children.
  

  Synonym:
  reformation
  

  source: wordnet30
• the recovery of useful substances from waste products(noun.act)

  source: wordnet30
• The act or process of reclaiming.(noun)

  source: webster1913