/ Dictionary / Index W Wilsonian: Meaning and Definition of Find definitions for: Wil•so•ni•an Pronunciation: (wil-sō'nē-un), [key] — adj. of, pertaining to, or characteristic of Woodrow Wilson. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wilsonian (Thesaurus) Wilson Dam Wilsonism Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language