Pronunciation: (tes"tu-mō'nē-ul),[key] —n. 1. a written declaration certifying to a person's character, conduct, or qualifications, or to the value, excellence, etc., of a thing; a letter or written statement of recommendation.
2. something given or done as an expression of esteem, admiration, or gratitude.
—adj. pertaining to or serving as a testimonial: a testimonial dinner for the retiring dean.