The Collaborative International Dictionary of English v.0.48:

Reconciliation \Rec`on*cil`i*a"tion\ (-s?l`?*?"sh?n), n. [F.
   r['e]conciliation, L. reconciliatio.]
   1. The act of reconciling, or the state of being reconciled;
      reconcilenment; restoration to harmony; renewal of
      friendship.
      [1913 Webster]

            Reconciliation and friendship with God really form
            the basis of all rational and true enjoyment. --S.
                                                  Miller.
      [1913 Webster]

   2. Reduction to congruence or consistency; removal of
      inconsistency; harmony.
      [1913 Webster]

            A clear and easy reconciliation of those seeming
            inconsistencies of Scripture.         --D. Rogers.
      [1913 Webster]

   Syn: Reconcilement; reunion; pacification; appeasement;
        propitiation; atonement; expiation.
        [1913 Webster]

WordNet (r) 3.0 (2006):

reconciliation
    n 1: the reestablishing of cordial relations [syn:
         reconciliation, rapprochement]
    2: getting two things to correspond; "the reconciliation of his
       checkbook and the bank statement" [syn: reconciliation,
       balancing]

The Devil's Dictionary (1881-1906):

RECONCILIATION, n.  A suspension of hostilities.  An armed truce for
the purpose of digging up the dead.