Authority and Authorisation

Authority

Authority noun - The power or right to give orders or make decisions.
Usage example: he has the authority to issue warrants

Authorisation is a synonym for authority in sanction topic. In some cases you can use "Authorisation" instead a noun "Authority", when it comes to topics like permission, authorization.

Authorisation

Authorisation noun - Official permission or approval.
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Synonyms for Authorisation

Authority is a synonym for authorisation in sanction topic. You can use "Authority" instead a noun "Authorisation".
Cite this Source
Authorisation and Authority. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/authority/authorisation
Authority & Authorisation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/authority/authorisation>.
Authorisation or Authority. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/authority/authorisation.
Google Ngram Viewer shows how "authority" and "authorisation" have occurred on timeline