Other families go to much more extreme lengths, like those who falsify applications or tax returns.
The scientific method cannot establish truths; it can only falsify hypotheses.
mid-15c., "to prove false," from Middle French falsifier (15c.), from Late Latin falsificare (see falsify). Meaning "to make false" is from c.1500. Earlier verb was simply falsen (c.1200). Related: Falsified; falsifying.