definition of
falsify

[1] #1 falsify v. [distort, garble, warp] make false by mutilation or addition; as of a message or story. wn

[2] #2 falsify v. [fudge, manipulate, fake, cook, wangle, misrepresent] tamper, with the purpose of deception; "Fudge the figures"; "cook the books"; "falsify the data". wn

[3] #3 falsify v. prove false; "Falsify a claim". wn

[4] #4 falsify v. falsify knowingly; "She falsified the records". wn

[5] #5 falsify v. [interpolate, alter] insert words into texts, often falsifying it thereby. wn