The Collaborative International Dictionary of English v.0.48:

Remonstrance \Re*mon"strance\ (-m?n"strans), n. [Cf. OF.
   remonstrance, F. remonstrance. See Remonstrate.]
   1. The act of remonstrating; as:
      (a) A pointing out; manifestation; proof; demonstration.
          [Obs.]
          [1913 Webster]

                You may marvel why I . . . would not rather
                Make rash remonstrance of my hidden power
                Than let him be so lost.          --Shak.
          [1913 Webster]
      (b) Earnest presentation of reason in opposition to
          something; protest; expostulation.
          [1913 Webster]

   2. (R.C.Ch.) Same as Monstrance.
      [1913 Webster]

WordNet (r) 3.0 (2006):

remonstrance
    n 1: the act of expressing earnest opposition or protest [syn:
         expostulation, remonstrance, remonstration,
         objection]

Moby Thesaurus II by Grady Ward, 1.0:

94 Moby Thesaurus words for "remonstrance":
   admonition, advice, advising, advocacy, beef, bitch, boycott,
   briefing, caution, cautioning, caveat, challenge,
   combative reaction, complaint, compunction, consultation, council,
   counsel, counteraction, defiance, demonstration, demur, demurral,
   demurrer, determent, deterrence, difficulty, direction, dispute,
   dissent, dissentience, exception, exhortation, expostulation,
   fractiousness, frightening off, grievance, grievance committee,
   guidance, hortation, howl, idea, indignation meeting, instruction,
   intimidation, kick, march, monition, negativism, noncooperation,
   nonviolent protest, objection, obstinacy, opinion, opposition,
   parley, passive resistance, picketing, proposal, protest,
   protest demonstration, protestation, qualm, question, rally,
   reaction, rebuff, recalcitrance, recalcitrancy, recalcitration,
   recommendation, refractoriness, reluctance, remonstration,
   renitence, renitency, repellence, repellency, repulse, repulsion,
   resistance, revolt, scruple, sit-in, squawk, stand, strike,
   suggestion, talking out of, teach-in, thought, uncooperativeness,
   warning, withstanding



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

REMONSTRANCE. A petition to a court, or deliberative or legislative body, in
which those who have signed it request that something which it is in
contemplation to perform shall not be done.