/ Dictionary / Index W well-founded: Meaning and Definition of Find definitions for: well-found•ed Pronunciation: (wel'foun'did), [key] — adj. having a foundation in fact; based on good reasons, information, etc.: well-founded suspicions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: well-founded (Thesaurus) well-found well-groomed Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language