/ Thesaurus / G Synonyms of guidance system Find synonyms for: Noun1. guidance system, guidance device, systemusage: a system of equipment for automatically guiding the path of a vehicle (especially a missile)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language