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]

Moby Thesaurus II by Grady Ward, 1.0:

74 Moby Thesaurus words for "reconciliation":
   acceptance, accommodation, accord, accordance, acquiescence,
   adaptation, adaption, adjustment, agreement, amity, appeasement,
   arbitration, assimilation, attunement, coaptation, comfort,
   compatibility, compliance, composure, compromise, conciliation,
   concord, conformance, conformation other-direction, conformity,
   congruity, consistency, content, contentedness, contentment,
   conventionality, coordination, correspondence, detente, ease,
   entire satisfaction, euphoria, flexibility, fulfillment, happiness,
   harmonization, harmonizing, harmony, integration, keeping, line,
   making up, malleability, mollification, obedience, observance,
   orthodoxy, pacification, peace of mind, placation, pliancy,
   propitiation, rapport, rapprochement, reconcilement, regulation,
   resignation, reunion, satisfaction, satisfying, settlement,
   squaring, strictness, synchronization, timing, traditionalism,
   understanding, uniformity, well-being



Bouvier's Law Dictionary, Revised 6th Ed (1856):

RECONCILIATION, contracts. The act of bringing persons to agree together,
who before, had had some difference.
     2. A renewal of cohabitation between husband and wife is proof of
reconciliation, and such reconciliation destroys the effect of a deed of
separation. 4 Eccl. R. 238.



The Devil's Dictionary (1881-1906):

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