/ Thesaurus / J Synonyms of jewel casket Find synonyms for: Noun1. casket, jewel casket, boxusage: small and often ornate box for holding jewels or other valuablesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language