/ Thesaurus / R Synonyms of reticuloendothelial system Find synonyms for: Noun1. reticuloendothelial system, RES, systemusage: a widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cellsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language