Inscribable is an adjective that means "able to be written upon." There are many synonyms for inscribable, including writable, imputable, notated, signed, sketched, and penciled. Other synonyms include engraved, carved, etched, incised, and marked. These words all refer to the act of writing or marking something on a surface. Inscribable is often used in the context of documents, monuments, and other physical objects that can be written upon. Regardless of the context, the synonyms for inscribable all refer to the ability to leave a permanent mark or message on an object.