The unjust assumption of rights or privilege.(noun)
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Use "arrogation" in a sentence
"I shall call that the "arrogation" thesis inasmuch as, presumably, to make ourselves master of the sources of life is to arrogate to ourselves something we ought not to."
""The structure of the Constitution interposes obstacles by design, in order to prevent the arrogation of power by one branch or one sovereign.""
"Even the very term, pro bono — short for pro bono publico (literally, for good or for the public good) — is a misnomer and arrogation on the part of the too often self-admiring attorney and legalclass."