/ ˈfɔːlsɪfaɪ; NAmE / verb
( fal·si·fies , fal·si·fy·ing , fal·si·fied , fal·si·fied ) [ vn ] to change a written record or information so that it is no longer true
► fal·si·fi·ca·tion / ˌfɔːlsɪfɪˈkeɪʃn; NAmE / noun [ U , C ]:
the deliberate falsification of the company's records
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WORD ORIGIN
late Middle English (originally meaning to prove something to be false): from French falsifier or medieval Latin falsificare , from Latin falsificus making false, from falsus false.