/ Dictionary / Index A Augustinian of the Assumption: Meaning and Definition of Find definitions for: Augustin'ian of the Assump'tion Pronunciation: [key] a member of a Roman Catholic congregation founded in 1847 in France, engaged in missionary and educational work. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Augustinian Augustus Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language