| Term | Definition |
| chicanery | trickery; deception |
| coagulate | thicken; congeal; clot |
| coda | concluding section of a musical or literary composition; something that rounds out, summarizes, or concludes |
| cogent | convincing |
| commensurate | corresponding in extent, degree, amount, etc; proportionate |
| compendium | brief, comprehensive summary |
| complaisant | trying to please; overly polite; obligating |
| compliant | yielding; conforming to requirement |
| conciliatory | reconciling; soothing |
| condone | overlook; forgive; give tacit approval; excuse |
| confound | confuse; puzzle |