[ˈfɒlsɪfʌɪ], (Verb)

Definitions:
- alter (information, a document, or evidence) so as to mislead
(e.g: a laboratory which was alleged to have falsified test results)

- prove (a statement or theory) to be false
(e.g: the hypothesis is falsified by the evidence)


Phrases:

Origin:
late Middle English (in falsify): from French falsifier or medieval Latin falsificare, from Latin falsificus ‘making false’, from falsus ‘false’