Judicious
JUDI'CIOUS, adjective
1. According to sound judgment; wise; prudent; rational; adapted to obtain a good end by the best means; used of things. Nothing is more important to success in the world than a judicious application of time, unless it may be a judicious expenditure of money.
2. Acting according to sound judgment; possessing sound judgment; wise; directed by reason and wisdom; used of persons; as a judicious magistrate; a judicious historian.