refutation

ref·u·ta·tion  (rfy-tshn) also re·fut·al (r-fytl)

n.

1. The act of refuting.

2. Something, such as an argument, that refutes someone or something.

Thesaurus

Noun	1.	refutation - 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" defence, defense answer - the speech act of replying to a question confutation - the speech act of refuting conclusively rebuttal - the speech act of refuting by offering a contrary contention or argument
	2.	refutation - any evidence that helps to establish the falsity of something disproof, falsification evidence, grounds - your basis for belief or disbelief; knowledge on which to base belief; "the evidence that smoking causes lung cancer is very compelling" reductio, reductio ad absurdum - (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction confutation - evidence that refutes conclusively counterexample - refutation by example
	3.	refutation - the act of determining that something is false falsifying, refutal, disproof, falsification determination, finding - the act of determining the properties of something, usually by research or calculation; "the determination of molecular structures"