Extreme necessity . . . forced him upon this bold and violent
falsification of the doctrine of the alliance.
Bp. Warburton.
3. (Equity) The showing an item of charge in an account to be wrong.
Story.
Fal"si*fi*ca`tor (?), n. [Cf. F. falsificateur.] A falsifier. Bp.
Morton.
Fal"si*fi`er (?), n. One who falsifies, or gives to a thing a deceptive
appearance; a liar.
Fal"si*fy (?), v. t. [imp. & p. p. Falsified (?); p. pr. & vb. n.
Falsifying.] [L. falsus false + -ly: cf. F. falsifier. See False, a.]
1. To make false; to represent falsely.
The Irish bards use to forge and falsify everything as they list,
to please or displease any man.
Spenser.