testimonial — 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.
apocalyptic — Apocalyptic means relating to the total destruction of something, especially of the world.
augural — the art or practice of an augur; divination.
auspicious — Something that is auspicious indicates that success is likely.
connotative — (of a word or expression) signifying or suggestive of an associative or secondary meaning in addition to the primary meaning: A connotative word such as “steely” would never be used when referring to a woman.
designative — to mark or point out; indicate; show; specify.
diagnostic — Diagnostic equipment, methods, or systems are used for discovering what is wrong with people who are ill or with things that do not work properly.
inauspicious — not auspicious; boding ill; ill-omened; unfavorable.
indicate — to be a sign of; betoken; evidence; show: His hesitation really indicates his doubt about the venture.
indicial — of, relating to, or resembling an indication; indicative: behavior indicial of a personality disorder.