or co·pa·set·ic, co·pe·set·ic
- fine; completely satisfactory; OK.
Origin of copacetic
copasetic, copesetic or copesettic
- US and Canadian slang very good; excellent; completely satisfactory
Word Origin and History for copasetic
1919, but it may have origins in 19c. U.S. Southern black speech. Origin unknown, suspects include Latin, Yiddish (e.g. Hebrew kol b'seder), Italian, Louisiana French (coupe-sétique), and Native American. None is considered convincing by linguists.