/ Dictionary / Index E evidential: Meaning and Definition of Find definitions for: ev•i•den•tial Pronunciation: (ev"i-den'shul), [key] — adj. noting, pertaining to, serving as, or based on evidence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: evidential (Thesaurus) evident evidentiary Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language