Presumption, impertinence.

Usurpation. Also attributive.

esp. The unlawful or forcible seizure or occupation of a throne, sovereign power, etc.; wrongful assumption of supreme authority.

The action of the verb; usurpation; an instance of this. Also in figurative context.

Seizure and occupation without right; usurpation of an office, position, etc. Cf. presume, v. 4c. Obsolete.

Usurpation.

a presumption that the law allows to be contradicted by evidence; contrasted with irrebuttable presumption n. at irrebuttable, adj. additions.