falsify-v; 2 Senses

Sense Number 1: make false by tampering with; forge

Dr. Jacoby falsified the image by adding molecular weight markers.
The Commission's complaint alleges that Gordon falsified the
books and records.
United Front falsified the names of students who didn't really exist.

VerbNet: NP
FrameNet: Forging
PropBank: falsify.01
WordNet 3.0 Sense Numbers: 1, 2, 4, 5

Sense Number 2: prove false

There are excuses intended to explain away the evidence that
falsified the claim.
I have new data to falsify the standing theory.

VerbNet: NP
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 3