The Collaborative International Dictionary of English v.0.48:

Capitulation \Ca*pit`u*la"tion\
   (k[.a]*p[i^]t`[-u]*l[=a]"sh[u^]n), n. [Cf. F. capitulation,
   LL. capitulatio.]
   1. A reducing to heads or articles; a formal agreement.
      [1913 Webster]

            With special capitulation that neither the Scots nor
            the French shall refortify.           --Bp. Burnet.
      [1913 Webster]

   2. The act of capitulating or surrendering to an enemy upon
      stipulated terms.
      [1913 Webster]

   3. The instrument containing the terms of an agreement or
      surrender.
      [1913 Webster]

WordNet (r) 3.0 (2006):

capitulation
    n 1: a document containing the terms of surrender
    2: a summary that enumerates the main parts of a topic
    3: the act of surrendering (usually under agreed conditions);
       "they were protected until the capitulation of the fort"
       [syn: capitulation, fall, surrender]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "capitulation":
   NATO, SEATO, abandonment, account, accounts, alliance, body count,
   cartel, census, cession, concord, concordat, convention, count,
   entente, entente cordiale, giving in, giving over, giving up,
   head count, international agreement, inventory, league,
   mutual-defense treaty, nonaggression pact, nose count, paction,
   recapitulation, recedence, recession, reckoning, recount,
   recounting, rehearsal, relinquishment, renunciation, repertory,
   retreat, statement, submission, summary, summation, summing,
   summing up, surrender, treaty



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

CAPITULATION, war. The treaty which determines the conditions under which a
fortified place is abandoned to the commanding officer of the army which
besieges it.
     2. On surrender by capitulation, all the property of the inhabitants
protected by the articles, is considered by the law of nations as neutral,
and not subject to capture on the high seas, by the belligerent or its ally.
2 Dall.



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

CAPITULATION, civ.law. An agreement by which the prince and the people, or
those who have the right of. the people, regulate the manner in which the
government is to be administered. Wolff, Sec. 989.