/ Dictionary / Index S Stephenson: Meaning and Definition of Find definitions for: Ste•phen•son Pronunciation: (stē'vun-sun), [key] — n. 1781–1848, English inventor and engineer. his son1803–59, English engineer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stephenson (Thesaurus) Stephens Stephenville Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language