falsification

The act of falsifying, or making false; a counterfeiting; the giving to a thing an appearance of something which it is not.

The main Christian doctrines and festivals, besides a great mass of affiliated legend and ceremonial, are really quite directly derived from, and related to, preceding Nature worships; and it has only been by a good deal of deliberate mystification and falsification that this derivation has been kept out of sight.

A knowingly false statement or wilful misrepresentation.

The act of showing an item of charge in an account to be wrong.