1. falsify - Adjective
2. falsify - Verb
To make false; to represent falsely.
To counterfeit; to forge; as, to falsify coin.
To prove to be false, or untrustworthy; to confute; to disprove; to nullify; to make to appear false.
To violate; to break by falsehood; as, to falsify one's faith or word.
To baffle or escape; as, to falsify a blow.
To avoid or defeat; to prove false, as a judgment.
To show, in accounting, (an inem of charge inserted in an account) to be wrong.
To make false by multilation or addition; to tamper with; as, to falsify a record or document.
To tell lies; to violate the truth.
Source: Webster's dictionaryFudge the figures Source: Internet
cook the books Source: Internet
falsify the data Source: Internet
She falsified the records Source: Internet
Falsify a claim Source: Internet
As Popper put it, a decision is required on the part of the scientist to accept or reject the statements that go to make up a theory or that might falsify it. Source: Internet