/ Thesaurus / M Synonyms of masterfully Find synonyms for: Adverb1. masterfullyusage: in a skillfully masterful manner; with the skill of a master; "the young boy played the violin sonata masterfully"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language