/ Thesaurus / S Synonyms of seth thomas Find synonyms for: Noun1. Thomas, Seth Thomasusage: United States clockmaker who introduced mass production (1785-1859)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language