1. (a.) Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.

2. (n.) The mark or symptom by which one disease is known or distinguished from others.

characteristic characterizing connotative constructional constructive contrastive definitional demonstrative denominative denotative descriptive designative diacritical differencing differential differentiative discriminating discriminative distinctive distinguishing emblematic evidential exegetic exhibitive expressive figural figurative hermeneutic identifying ideographic idiosyncratic implicative indicating indicative indicatory individual individualizing individuating interpretational interpretive meaningful metaphorical naming pathognomonic peculiar personalizing proper representative semantic semeiological semiotic separative signalizing significant significative signifying suggestive symbolic symbolistic symbological symptomatic symptomatologic symptomatological tropological typical