ONOMASTIC

onomastic

(adjective) of or related to onomastics; “he published a collection of his onomastic essays”

Source: WordNet® 3.1

Etymology

Adjective

onomastic (not comparable)

Of or relating to a personal or place name.

Of or relating to onomastics.

Source: Wiktionary

On`o*mas"tic, a. Etym: [Gr. (Law)

Definition: Applied to a signature when the body of the instrument is in another's handwriting. Burrill.

Source: Webster’s Unabridged Dictionary 1913 Edition