/ Thesaurus / B Synonyms of beneficially Find synonyms for: Adverb1. beneficiallyusage: in a beneficial manner; "this medicine will act beneficially on you"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language