/ Thesaurus / S Synonyms of subrogation Find synonyms for: Noun1. subrogation, substitution, exchange, commutationusage: (law) the act of substituting of one creditor for anotherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: foliage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language