/ Dictionary / Index W Wilsonism: Meaning and Definition of Find definitions for: Wil•son•ism Pronunciation: (wil'su-niz"um), [key] — n. the theories, methods, or practices of Woodrow Wilson. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Wilsonian Wilson's disease Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language