Meaning : Any evidence that helps to establish the falsity of something.
Synonyms : disproof, refutation
Meaning : A willful perversion of facts.
Synonyms : misrepresentation
Meaning : The act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting.
Synonyms : falsehood
Meaning : The act of determining that something is false.
Synonyms : disproof, falsifying, refutal, refutation