Breadcrumb Home > Thesaurus Cite Synonyms of why Find synonyms for: Noun1. why, wherefore, reason, groundusage: the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores'WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: why (Dictionary) Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index