/ Thesaurus / G Synonyms of gladstone bag Find synonyms for: Noun1. portmanteau, Gladstone, Gladstone bag, bag, traveling bag, travelling bag, grip, suitcaseusage: a large travelling bag made of stiff leatherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language