Symptomatical is a word that is often used to describe something that indicates the presence or existence of a particular condition or disease. There are several synonyms that can be used in place of symptomatical, such as indicative, suggestive, or diagnostic. These words convey the same meaning as symptomatical but may be preferred in certain contexts. For example, indicative may be used to describe something that serves as a sign or signal of a condition, while suggestive may be used to describe something that implies the presence of a condition. Diagnostic may be used to describe something that specifically identifies the cause of a condition or disease.