Eponymous

(a.) Relating to an eponym; giving one's name to a tribe, people, country, and the like.

Thesaurus Entries

abessive, ablative, accusative, adessive, allative, appellative, approximative, byname, case, cognominal, common case, dative, delative, denominative, diminutive, elative, epithetic, eponymic, eponymous, essive, formal, genitive, honorific, hypocoristic, illative, in name only, inessive, instrumental, lative, local case, locative, nominal, objective case, oblique case, perlative, possessive case, prepositional, quasi, self-called, self-christened, self-styled, so-called, soi-disant, subject case, sublative, superessive, terminative, titular, translative, vocative, would-be