Testimonial
Testimonial , noun
[Compare Old French testimoniale, Late Latin testimonialis, Latin testimoniales (sc. litterae). See Testimonial, a.]
1.
A writing or certificate which bears testimony in favor of one's character, good conduct, ability, etc., or of the value of a thing.
2.
Something, as money or plate, presented to a person as a token of respect, or of obligation for services rendered.
Testimonial , adjective
[Latin testimonialis: compare French testimonial.]
Relating to, or containing, testimony.