/ Thesaurus / A Synonyms of assembly plant Find synonyms for: Noun1. assembly plant, factory, mill, manufacturing plant, manufactoryusage: a factory where manufactured parts are assembled into a finished productWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language