DictionaryAI

authorise

verb
SayAW-thuh-ryzUK/ˈɔːθəɹaɪz/US/ˈɔθəɹaɪz/

Formsauthorises, authorising, authorised

US spellingauthorize · also used in the UK

1 meaning of authorise

Practice

  1. 1
    verbtransitive
    To officially allow someone to do something, or to officially allow something to happen.

    Only the manager can authorise a refund.

    The school authorised the trip after every parent signed the form.

    UsageSay authorise someone to do something, or authorise a thing, like a refund.

    Similarapprove, permit, allow, sanction, empower

    Oppositeforbid, prohibit, ban, veto

Use it in a sentence

Write your own sentence with authorise, and AI will tell you whether it fits and which meaning you used.

Origin

It comes from Old French and Medieval Latin, and goes back to the Latin word auctor.

Checked 5 Nov 2026 · 2 facts