Authorise (verb)
standard spelling of from=non-Oxford British spelling|authorize
Authorize (verb)
To grant (someone) the permission or power necessary to do (something).
“The General Assembly authorized the Council to take up the matter.”
Authorize (verb)
To permit (something), to sanction or consent to (something).
“The judge authorized the wiretapping.”
Wiktionary
Authorize (verb)
give official permission for or approval to (an undertaking or agent)
“the troops were authorized to use force”
“the government authorized further aircraft production”
Oxford Dictionary