noun
certificate of commendation; testimonial
A formal document awarded to recognize achievement or contribution, such as in schools, workplaces, or community events.
彼は長年のボランティア活動に対して表彰状を授与された。
He was awarded a certificate of commendation for his many years of volunteer work.
卒業式で成績優秀者に表彰状が渡された。
Certificates of commendation were presented to the top-performing students at the graduation ceremony.