| broadside |
| broadside on |
| capable(expert, skilled, skillful, adroit, talented) |
| clean(expert, skilled, capable, skillful, nimble) |
| cognizant(adjective, sensible, alert, familiar, wise) |
| common(pleasant, fair, agreeable, suitable, adequate) |
| comprehending(sympathetic, familiar, knowledgeable, skilled, experienced) |
| conversant(adjective, sensible, sympathetic, familiar, knowledgeable) |
| cooking with gas(expression, idiom, fair, agreeable, proper) |
| copacetic(cool, pleasant, fair, big, agreeable) |
| correct(adjective, right, exact, precise, accurate) |
| crabwise |
| crack(expert, skilled, capable, skillful, nimble) |
| crackerjack(expert, skilled, capable, skillful, nimble) |
| cunning(skillful, nimble, artful, meritable, practiced) |
| cute(skillful, nimble, artful, practiced) |
| dead on(expression, correct, right, perfect, exact) |
| decent(pleasant, fair, agreeable, suitable, adequate) |
| deft(expert, skilled, capable, skillful, nimble) |
| delightful(cool, pleasant, fair, big, agreeable) |