/ Dictionary / Index I ideational: Meaning and Definition of Find definitions for: i•de•a•tion•al Pronunciation: (ī"dē-ā'shu-nl), [key] — adj. of, pertaining to, or involving ideas or concepts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ideational (Thesaurus) ideation ideatum Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language