ascriptive

ascribing; relating to ascription

The act, or an instance, of ascribing a quality, characteristic, quotation, artistic work or other object to someone or something.

Herodotus uses more ascriptives than Homer, but the adverbial participle is well illustrated in Herodotus and the complementary is fairly common.

Ascriptives need not be novel. Tension is a conventional ascriptive that, despite its ubiquitous use, has never achieved technical status in musical discourse.