| consistent with or based on or using reason | capable of or reflecting the capability for correct and valid reasoning |
| capable of being expressed as a quotient of integers | marked by an orderly, logical, and aesthetically consistent relation of parts |
| having its source in or being guided by the intellect (as distinguished from experience or emotion) | capable of thinking and expressing yourself in a clear and consistent manner |
| of or associated with or requiring the use of the mind | based on known statements or events or conditions |