/ Thesaurus / F Synonyms of functionality Find synonyms for: Noun1. functionality, practicalityusage: capable of serving a purpose well; "software with greater functionality"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language