What is another word for "shadow"?

Roget's Thesaurus (1911) lists these synonyms for "shadow": absence, accessory, accompaniment, accompany, addition, adjunct, adumbrate, adumbration, all, allegorical, allegorize, allegory, allude, allusion, allusive, along, anagoge, anagogical, analogy, anatomy, and, angustation, any, apologue, appendage, application, apply, appurtenance, arm, associate, associated, association, attend, attendant, attribute, away, awning, beach, bear, believing.