Answer: falsifying

AnswerCrossword Clue
falsifyingFALSIFY, to misrepresent
falsifyingForge or alter (a document) fraudulently
falsifyingFail to fulfill (a hope, fear, or expectation); remove the justification for
falsifyingAlter (information or evidence) so as to mislead
falsifyingProve (a statement or theory) to be false