The Collaborative International Dictionary of English v.0.48:

Reclamation \Rec`la*ma"tion\ (r[e^]k`l[.a]*m[=a]"sh[u^]n), n.
   [F. r['e]clamation, L. reclamatio. See Reclaim.]
   1. The act or process of reclaiming.
      [1913 Webster]

   2. Representation made in opposition; remonstrance.
      [1913 Webster]

            I would now, on the reclamation both of generosity
            and of justice, try clemency.         --Landor.
      [1913 Webster]

WordNet (r) 3.0 (2006):

reclamation
    n 1: the conversion of wasteland into land suitable for use of
         habitation or cultivation [syn: reclamation, renewal,
         rehabilitation]
    2: rescuing from error and returning to a rightful course; "the
       reclamation of delinquent children" [syn: reclamation,
       reformation]
    3: the recovery of useful substances from waste products

Moby Thesaurus II by Grady Ward, 1.0:

93 Moby Thesaurus words for "reclamation":
   about-face, amendment, amends, atonement, backing, backsliding,
   change of allegiance, change of heart, change of mind,
   compensation, composition, compromise, disenchantment, expiation,
   expiatory offering, flip-flop, improvement, indemnification,
   indemnity, lapse, making amends, making good, making right,
   making up, new birth, peace offering, piaculum, propitiation,
   quittance, ransom, readjustment, rebirth, recapture, recidivation,
   recidivism, reclaiming, recompense, reconditioning, reconversion,
   recoup, recoupment, recovery, recrudescence, recuperation,
   redemption, redress, reeducation, reform, reformation, regainment,
   regeneration, regress, regression, rehabilitation, reinstatement,
   reinstruction, relapse, renascence, renewal, reoccupation,
   reparation, repatriation, replevin, replevy, repossession,
   restitution, restoration, resumption, retake, retaking, retrieval,
   retrieve, retrocession, retrogradation, retrogression,
   retroversion, return, returning, reversal, reverse, reversion,
   reverting, revindication, revival, revulsion, salvage, salvation,
   satisfaction, slipping back, squaring, trover, turn, turnabout