Breadcrumb Home > Thesaurus > O Synonyms of operating capability Find synonyms for: Noun1. operating capability, performance capability, capability, capablenessusage: the capability of a technological system to perform as intendedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: rococo Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language