/ Thesaurus / F Synonyms of filing system Find synonyms for: Noun1. file system, filing system, classification systemusage: a system of classifying into files (usually arranged alphabetically)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language