| candidness |
| candor |
| carefree(adjective, calm, quiet, light, smooth) |
| certain(adjective, prompt, definite, absolute, unqualified) |
| childlike(simple, easy, innocent, real, genuine) |
| clean-cut(exact, specific, explicit) |
| clear(adjective, light, simple, easy, sharp) |
| clear-cut(sharp, exact, definite, obvious, unqualified) |
| clearly defined(expression, exact, specific, explicit) |
| comfortable(adjective, calm, quiet, light, smooth) |
| comfy(adjective, calm, quiet, light, smooth) |
| commodious(adjective, calm, quiet, light, smooth) |
| complete(exact, specific, explicit) |
| completely honest(expression, open, free, honest, plain) |
| composed(adjective, calm, quiet, light, smooth) |
| confiding(simple, plain, fresh, innocent, sincere) |
| conscientious(honest, fair, noble, straight, decent) |
| content(adjective, calm, quiet, light, smooth) |
| contented(adjective, calm, quiet, light, smooth) |
| countrified(simple, plain, fresh, innocent, sincere) |