tr.v. au·thor·ized, au·thor·iz·ing, au·thor·iz·es
1. To grant authority or power to.
2. To give permission for (something); sanction: the city agency that authorizes construction projects.
[Middle English auctorisen, from Old French autoriser, from Medieval Latin auctōrizāre, from Latin auctor, author; see AUTHOR.]
Synonyms: authorize, accredit, commission, empower, license
These verbs mean to give someone the authority to act: authorized her partner to negotiate on her behalf; a representative who was accredited by his government; commissioned the real-estate agent to purchase the house; was empowered to make decisions during the president's absence; a pharmacist licensed to practice in two states.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.