Definition from Wiktionary, the free dictionary
From French falsifier, from Late Latin falsificāre, present active infinitive of falsificō (“make false, corrupt, counterfeit, falsify”), from Latin falsificus, from falsus (“false”), corresponding to false + -ify.
- (transitive) To alter so as to be false; to make incorrect.
- (transitive) To misrepresent.
- (transitive) To prove to be false.
Derived terms 
Related terms 
to alter so as to be false
to prove to be false
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