/ Thesaurus / A Synonyms of authorise Find synonyms for: Verb1. empower, authorise, authorize, appoint, chargeusage: give or delegate power or authority to; "She authorized her assistant to sign the papers"2. authorize, authorise, pass, clear, permit, allow, let, countenanceusage: grant authorization or clearance for; "Clear the manuscript for publication"; "The rock star never authorized this slanderous biography"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language