The definition of wise is someone who uses good judgment, has common sense or is well informed.
Capable of reasoning; rational:
Manifested in or involving practice:
The definition of prudent is someone who has good judgment and is careful and practical.
The definition of rational is something that makes sense or that could be based in fact or someone who behaves and thinks logically.
Showing sound judgment and rationality:
(Physiol.) Capable of responding to the proper stimulus; irritable
Careful about what one says or does; prudent; esp., keeping silent or preserving confidences when necessary
Having, applying, or showing sound judgment; wise and careful
Excessive; immoderate; exorbitant
Compatible with an accepted point of view; orthodox:
Find another word for level-headed. In this page you can discover 26 synonyms, antonyms, idiomatic expressions, and related words for level-headed, like: wise, reasonable, levelheaded, strong-minded, personable, clear-headed, self-effacing, , practical, prudent and rational.