The phrase "a usurpation" is correct and usable in written English.
It can be used to refer to an act of taking control or possession of something, often in a manner that is considered illegal or illegitimate.
Example: "The council's decision to impose new regulations without public input was seen as a usurpation of the citizens' rights."
Alternatives: "an infringement" or "a takeover".
Some are already criticizing the military's plans as a usurpation of the democratic process.
"All of our supervisors agree that this was a usurpation of home rule," he said.
That is just the "cognizance" of religion Madison called a usurpation by the state.
"You can read it as a usurpation of states' rights," Ebinger said.
First, some MPs resent what they see as a usurpation of their own deliberative role.
Conservative backbenchers deemed that a usurpation of the Commons' power to declare a lack of confidence in unpopular governments.
Cf. The Amiable Isabella, 6 Wheat. 1, 71 (1821) (Story, J.) ("[T]o alter, amend, or add to any treaty, by inserting any clause, whether small or great, important or trivial, would be on our part an usurpation of power, and not an exercise of judicial functions. It would be to make, and not to construe a treaty").
To have gone beyond this, would have been an usurpation of exclusive sovereignty on the ocean, and an exercise of an universal right of search, a right which has never yet been acknowledged by other nations, and would be resisted by none with more pertinacity than by the American". The Apollon, 9 Wheat., at 371-373.
But Robert S. Turner, a Reagan administration lawyer who has testified before Congress in support of signing statements, said he was pleased Mr. Obama was willing to use the device if he decided that signing a bill was in the national interest but that obeying part of it would be unconstitutional — including provisions that might amount to an "usurpation of presidential power".
The case was heard by the District Court upon the plaintiff's application for a temporary injunction and the defendants' motion that the bill be dismissed on the ground, among others, that the company had failed to exhaust its administrative remedies and that granting the relief prayed would be an usurpation of the authority exclusively vested by the act in the Circuit Court of Appeals.
They see his move as a Socialist usurpation in a region controlled by conservatives.
