falsify

Etymology

From French falsifier, from Late Latin falsificāre, present active infinitive of falsificō (“make false, corrupt, counterfeit, falsify”), from Latin falsificus, from falsus (“false”), corresponding to false + -ify.

verb

1. (transitive) To alter so as to make false; to make incorrect.
   to falsify a record or document
2. (transitive) To misrepresent.
3. (transitive) To prove to be false.
4. (transitive) To counterfeit; to forge.
   to falsify money
5. (transitive, accounting) To show (an item of charge inserted in an account) to be wrong.
   It will allow the account to stand, with liberty to the plaintiff to surcharge and falsify it 1833, Joseph Story, Commentaries on the Constitution of the United States
   The chancery rules governing proceedings to surcharge and falsify accounts are applicable only where an account has been stated between the parties, or where something equivalent thereto has been done. 1912, Peyton Boyle, The Federal Reporter: Cases Argued and Determined in the Circuit District Courts of the United States
6. (transitive, obsolete) To baffle or escape.
   For disputants (as swordsmen use to fence / With blunted foyles) engage with blunted sense; / And as th' are wont to falsify a blow, / Use nothing else to pass upon a foe […] a. 1680, Samuel Butler, Fragments of an intended second part of the foregoing satire
7. (transitive, obsolete) To violate; to break by falsehood.
   to falsify one's faith or word