/ Thesaurus / R Synonyms of responsible for Find synonyms for: Adjective1. responsible, responsible for(predicate), causative (vs. noncausative)usage: being the agent or cause; "determined who was the responsible party"; "termites were responsible for the damage"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language