The Collaborative International Dictionary of English v.0.48:

Remonstration \Re`mon*stra"tion\ (r?`m?n*str?"sh?n), n. [Cf. OF.
   remonstration, LL. remonstratio.]
   The act of remonstrating; remonstrance. [R.] --Todd.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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