ROGET THESAURUS
confutation
Confutation
N
confutation, refutation, answer, complete answer, disproof, conviction, redargution, invalidation, exposure, exposition, clincher, retort, reductio ad absurdum, knock down argument, tu quoque argument, sockdolager, correction, dissuasion, confuting, confuted capable of refutation, refutable, confutable, defeasible, contravene (counter evidence), condemned on one's own showing, condemned out of one's own mouth, the argument falls to the ground, cadit quaestio, it does not hold water, suo sibi gladio hunc jugulo, his argument was demolished by new evidence.
Correction
VB
correct, set right, set straight, put straight, undeceive, enlighten, show one one's error, point out an error, point out a fallacy, pick out an error, pick out the fallacy, open one's eyes, pick apart an argument,
confutation, reasoning.
Negation
N
negation, abnegation, denial, disavowal, disclaimer, abjuration, contradiction, contravention, recusation, protest, recusancy, flat contradiction, emphatic contradiction, emphatic denial, dementi, qualification, repudiation, retraction,
confutation, refusal, prohibition, denying, denied, contradictory, negative, negatory, recusant, at issue upon, no, nay, not, nowise, not a bit, not a whit, not a jot, not at all, nohow, not in the least, not so, negative, negatory, no way, no such thing, nothing of the kind, nothing of the sort, quite the contrary, tout au contraire, far from it, tant s'en faut, on no account, in no respect, by no, by no manner of means, negatively, never, never in a million years, at no time, there never was a greater mistake, I know better, non haec in faedera, a thousand times no.