testimonial testimonial /ˌtɛstɪˈmoʊniːəl/

adjective

1. Of or relating to or constituting testimony  ( testimonial )
   of or relating to or constituting testimony
   
2. Expressing admiration or appreciation  ( testimonial )
   expressing admiration or appreciation
    Testimonial dinner
   testimonial dinner
   

noun

1. () Something that serves as evidence  ( testimonial , testimony )
   something that serves as evidence
    His effort was testimony to his devotion
   his effort was testimony to his devotion
   
2. () Something given or done as an expression of esteem  ( testimonial , tribute )
   something given or done as an expression of esteem
   
3. Something that recommends (or expresses commendation of) a person or thing as worthy or desirable  ( good word , testimonial , recommendation )
   something that recommends (or expresses commendation of) a person or thing as worthy or desirable