/ Dictionary / Index C copesetic: Meaning and Definition of Find definitions for: co•pe•set•ic Pronunciation: (kō"pu-set'ik, -sē'tik), [key] — adj. copacetic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: copesetic (Thesaurus) Copernicus copestone Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language