Synonyms:
falsification, falsifying, disproof, refutation, refutal
Meaning: the act of determining that something is false
Synonyms:
disproof, falsification, refutation
Meaning: any evidence that helps to establish the falsity of something
Synonyms:
refutation, defense, defence
Meaning: 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"
Usage examples
The course of evolution itself is their refutation."
For all refutation must begin with some piece of knowledge which the disputants share; from blank doubt, no argument can begin.
Some years ago I might have been induced, by an occasion like the present, to attempt a formal refutation of their doctrine; at present it would be a work of supererogation.