Testimonial
Part of speech: noun
Definition: A statement, especially one given under oath; testimony A written recommendation of someone's worth or character A tribute given in appreciation of someone's service etc. A match played in tribute to a particular player (who sometimes receives a proportion of the gate money).
Example sentence: I'm going to be wearing the Stryker hat because I'm a walking testimonial to the fact that you can get your knee replaced and still play at a really high level and get your life back.
Evidence
Part of speech: verb
Definition: To provide evidence for, or suggest the truth of.
Part of speech: noun
Definition: Facts or observations presented in support of an assertion.Anything admitted by a court to prove or disprove alleged matters of fact in a trial.
Example sentence: Blessed is the man, who having nothing to say, abstains from giving wordy evidence of the fact.