/ Dictionary / Index S sagacious: Meaning and Definition of Find definitions for: sa•ga•cious Pronunciation: (su-gā'shus), [key] — adj. having or showing acute mental discernment and keen practical sense; shrewd: a sagacious lawyer. keen of scent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sagacious (Thesaurus) saga sagacity Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language