Falsification

fal·si·fy  (fôls-f)

v. fal·si·fied, fal·si·fy·ing, fal·si·fies

v.tr.

1. To state untruthfully; misrepresent.

2.

a. To make false by altering or adding to: falsify testimony.

b. To counterfeit; forge: falsify a visa.

3. To declare or prove to be false.

v.intr.

To make untrue statements; lie.

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[Middle English falsifien, from Old French falsifier, from Late Latin falsificre : Latin falsus, false; see false + Latin -ficre, -fy.]

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falsi·fi·cation (-f-kshn) n.

falsi·fier n.

Thesaurus

Noun	1.	falsification - any evidence that helps to establish the falsity of something disproof, refutation evidence, grounds - your basis for belief or disbelief; knowledge on which to base belief; "the evidence that smoking causes lung cancer is very compelling" reductio, reductio ad absurdum - (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction confutation - evidence that refutes conclusively counterexample - refutation by example
	2.	falsification - a willful perversion of facts misrepresentation actus reus, wrongful conduct, misconduct, wrongdoing - activity that transgresses moral or civil law; "he denied any wrongdoing" overrefinement, twisting, straining, torture, distortion - the act of distorting something so it seems to mean something it was not intended to mean tergiversation, equivocation - falsification by means of vague or ambiguous language lying, prevarication, fabrication - the deliberate act of deviating from the truth dissimulation, deception, dissembling, deceit - the act of deceiving
	3.	falsification - the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting falsehood knavery, dishonesty - lack of honesty; acts of lying or cheating or stealing frame-up, setup - an act that incriminates someone on a false charge sophistication - falsification by the use of sophistry; misleading by means of specious fallacies; "he practiced the art of sophistication upon reason" forgery - criminal falsification by making or altering an instrument with intent to defraud
	4.	falsification - the act of determining that something is false falsifying, refutal, disproof, refutation determination, finding - the act of determining the properties of something, usually by research or calculation; "the determination of molecular structures"