- To grant authority or power to.
- To give permission for; sanction: the city agency that authorizes construction projects.
- To be sufficient grounds for; justify.
[Middle English auctorisen, from Old French autoriser, from Medieval Latin auctōrizāre, from Latin auctor, author. See author.]
authorizer au'thor·iz'er n.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.





