/ Dictionary / Index A astonishment: Meaning and Definition of Find definitions for: as•ton•ish•ment Pronunciation: (u-ston'ish-munt), [key] — n. overpowering wonder or surprise; amazement: He looked with astonishment at his friends. an object or cause of amazement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: astonishment (Thesaurus) astonishing Astor Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language