1. a formal statement testifying to someone’s character and qualifications
2. a public tribute to someone and their achievements
3. a statement by a customer about the quality of a product or service

1. serving as evidence or proof of something

Examples

• The job applicant provided three testimonials from former employers.
• The retiring teacher received a heartfelt testimonial from her colleagues.
• Customer testimonials on the website helped me decide to buy the product.
• The company uses testimonials from satisfied clients in their advertising.
• She wrote a glowing testimonial for her former student’s college application.
• The testimonial evidence supported the defendant’s alibi.
• His testimonial dinner raised money for the local charity.