/ Dictionary / Index C commemoratory: Meaning and Definition of Find definitions for: com•mem•o•ra•to•ry Pronunciation: (ku-mem'ur-u-tôr"ē, -tōr"ē), [key] — adj. commemorative (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. commemorative commence Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language