Main entry: sensible, reasonable
Definition: showing reason or sound judgment
Usage: a sensible choice; a sensible person
Antonyms: unreasonable
Definition: not reasonable; not showing good judgment
Definition: the absence of sound
Antonyms: unsound
Definition: not sound financially
Antonyms: unsound
Definition: not in good condition; damaged or decayed
Antonyms: unhealthy
Definition: not in or exhibiting good health in body or mind
Antonyms: stupid, unintelligent
Definition: lacking intelligence
Main entry: fair, fairish, reasonable
Definition: not excessive or extreme
Usage: a fairish income; reasonable prices
Antonyms: immoderate
Definition: beyond reasonable limits
Main entry: reasonable, sane
Definition: marked by sound judgment
Usage: sane nuclear policy
Antonyms: irrational
Definition: not consistent with or using reason
Antonyms: irrational
Definition: real but not expressible as the quotient of two integers