/ Thesaurus / W Synonyms of wilhelm von opel Find synonyms for: Noun1. Opel, Wilhelm von Opelusage: German industrialist who was the first in Germany to use an assembly line in manufacturing automobiles (1871-1948)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language