/ Thesaurus / E Synonyms of exclusionary rule Find synonyms for: Noun1. exclusionary rule, rule of evidenceusage: a rule that provides that otherwise admissible evidence cannot be used in a criminal trial if it was the result of illegal police conductWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language