testimonial
noun /ˌtestɪˈməʊniəl/
  /ˌtestɪˈməʊniəl/
- a formal written statement, often by a former employer, about somebody’s abilities, qualities and character; a formal written statement about the quality of something
- a glowing testimonial
 - The catalogue is full of testimonials from satisfied customers.
 
 - a thing that you give or do to show that you admire and appreciate somebody
- a testimonial game (= to raise money for a particular player)
 - He attended a testimonial dinner in his honour.
 
 
Word Originlate Middle English: from Old French testimonial ‘testifying, serving as evidence’, from late Latin testimonialis, from Latin testimonium, from testis ‘a witness’.