'Refutation' definitions:

Definition of 'refutation'

From: WordNet
noun
The speech act of answering an attack on your assertions; "his refutation of the charges was short and persuasive"; "in defense he said the other man started it" [syn: refutation, defense, defence]
noun
Any evidence that helps to establish the falsity of something [syn: disproof, falsification, refutation]
noun
The act of determining that something is false [syn: falsification, falsifying, disproof, refutation, refutal]

Definition of 'Refutation'

From: GCIDE
  • Refutation \Ref`u*ta"tion\ (r?f`?*t?"sh?n), n. [L. refutatio: cf. F. r['e]futation.] The act or process of refuting or disproving, or the state of being refuted; proof of falsehood or error; the overthrowing of an argument, opinion, testimony, doctrine, or theory, by argument or countervailing proof. [1913 Webster]
  • Same of his blunders seem rather to deserve a flogging than a refutation. --Macaulay. [1913 Webster]