usurp

English

From Old French usurper, from Latin ūsūrpāre.

Compare use and usury.

usurp (third-person singular simple present usurps, present participle usurping, simple past and past participle usurped)

To seize power from another, usually by illegitimate means.
To use and assume the coat of arms of another person.
(obsolete) To make use of.
- 1662, Henry More, An Antidote Against Atheism, Appendix, A Collection of Several Philosophical Writings of Dr. Henry More, p. 149:
  " […] especially considering that even Matter it self, in which they tumble and wallow, which they feel with their hands and usurp with all their Senses […] "
To take the place rightfully belonging to someone or something else.
- 1749, Henry Fielding, The History of Tom Jones, a Foundling. In Six Volumes, volume (please specify |volume=I to VI), London: Printed by A[ndrew] Millar, […], OCLC 928184292:
  Jones answered all his questions with much civility, though he never remembered to have seen the petty-fogger before; and though he concluded, from the outward appearance and behaviour of the man, that he usurped a freedom with his betters, to which he was by no means intitled.

seize power