I already knew both of these meanings. Do you have a third one or you just didn't know the second one?
past tense: falsified; past participle: falsified
alter (information, a document, or evidence) so as to mislead.
"a laboratory which was alleged to have falsified test results"
synonyms: forge, fake, counterfeit, fabricate, invent, alter, change, doctor, tamper with, fudge, manipulate, massage, adulterate, pervert, corrupt, debase, misrepresent, misreport, distort, warp, embellish, embroider, colour, put a spin on; rarevitiate
"she falsified the accounts"
prove (a statement or theory) to be false.
"the hypothesis is falsified by the evidence"
synonyms: disprove, show to be false, prove unsound, refute, rebut, deny, debunk, negate, invalidate, contradict, confound, be at odds with, demolish, discredit;