1. a person who gives official permission or approval for something

Examples

• The loan authorizer reviewed all the financial documents carefully.
• As the project authorizer, she had to sign off on the budget.
• The system requires an authorizer to approve purchases over $500.
• The authorizer denied the request due to insufficient funds.
• Each department has a designated authorizer for expense reports.
• The authorizer’s signature is required before any changes can be made.