%falsify%

v. t. [ imp. & p. p. Falsified p. pr. & vb. n. Falsifying. ] [ L. falsus false + -ly: cf. F. falsifier. See False, a. ] 1. To make false; to represent falsely. [ 1913 Webster ]

The Irish bards use to forge and falsify everything as they list, to please or displease any man. Spenser. [ 1913 Webster ]

2. To counterfeit; to forge; as, to falsify coin. [ 1913 Webster ]

3. To prove to be false, or untrustworthy; to confute; to disprove; to nullify; to make to appear false. [ 1913 Webster ]

By how much better than my word I am,
By so much shall I falsify men's hope. Shak. [ 1913 Webster ]

Jews and Pagans united all their endeavors, under Julian the apostate, to baffle and falsify the prediction. Addison. [ 1913 Webster ]

4. To violate; to break by falsehood; as, to falsify one's faith or word. Sir P. Sidney. [ 1913 Webster ]

5. To baffle or escape; as, to falsify a blow. Butler. [ 1913 Webster ]

6. (Law) To avoid or defeat; to prove false, as a judgment. Blackstone. [ 1913 Webster ]

7. (Equity) To show, in accounting, (an inem of charge inserted in an account) to be wrong. Story. Daniell. [ 1913 Webster ]

8. To make false by multilation or addition; to tamper with; as, to falsify a record or document. [ 1913 Webster ]