The Collaborative International Dictionary of English v.0.48:
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.
There were so many witnesses in these two miracles that
it is impossible to refute such multitudes. --Addison.
Syn: To confute; disprove. See Confute.
Moby Thesaurus II by Grady Ward, 1.0:
18 Moby Thesaurus words for "refuting":
apologetic, confounding, confutative, confuting, contradictory,
contrary, excusatory, excusing, extenuating, extenuative,
justificatory, justifying, palliative, refutative, refutatory,
rehabilitative, vindicative, vindicatory