Refuting

refute \re*fute"\ (r[-e]*f[=u]t"), v. t. [imp. & p. p.
   {Refuted}; p. pr. & vb. n. {Refuting}.] [F. r['e]futer, L.
   refuteare to repel, refute. Cf. {Confute}, {Refuse} to deny.]
   To disprove and overthrow by argument, evidence, or
   countervailing proof; to prove to be false or erroneous; to
   confute; as, to refute arguments; to refute testimony; to
   refute opinions or theories; to refute a disputant.
   [1913 Webster]

         There were so many witnesses in these two miracles that
         it is impossible to refute such multitudes. --Addison.
   [1913 Webster]

   Syn: To confute; disprove. See {Confute}.
        [1913 Webster]
    

18 Moby Thesaurus words for "refuting":
      apologetic, confounding, confutative, confuting, contradictory,
      contrary, excusatory, excusing, extenuating, extenuative,
      justificatory, justifying, palliative, refutative, refutatory,
      rehabilitative, vindicative, vindicatory