falsification

noun

1.
any evidence that helps to establish the falsity of something
disproof refutation
Derived from:
falsify
2.
a willful perversion of facts
misrepresentation
Derived from:
falsify
3.
the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
falsehood
Derived from:
falsify
4.
the act of determining that something is false
disproof falsifying refutal refutation