say it: fal-suh-fuh-KAY-shuhn
falsification is a noun meaning "any evidence that helps to establish the falsity of something". It carries 4 recorded senses.
any evidence that helps to establish the falsity of something
a willful perversion of facts
the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
the act of determining that something is false
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for falsification come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.