| Term | Definition |
| concede | to admit or reluctantly yield; to surrender |
| concort | to prepare by mixing ingredients together; devise a plan |
| consequence | result of an action |
| contemporary | current; modern |
| context | text or spoken words that surround a word or passage and help determine meaning; circumstances that surround an event |
| contradict | to assert the opposite |
| converge | to meet or come together at a common point |
| cordial | sincere; courteous |
| correlate | to have corresponding characteristics |
| corroborate | to confirm, to substantiate with evidence |