/ Thesaurus / O Synonyms of optimistically Find synonyms for: Adverb1. optimisticallyusage: with optimism; in an optimistic manner; "`We have a good chance of winning,' he exclaimed optimistically"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language