Of an action, object, etc.: characterized by, exhibiting, or proceeding from good sense and sound judgement.

Befitting or characteristic of a philosopher; esp. characterized by uncomplaining acceptance of adverse circumstances; wise, calm, stoical.

figurative. ‘Seasoned’ with wit or good sense; sensible.

Characteristic of or resembling a philosopher; wise, calm, stoical; = philosophical, adj. 3.

Reasonable, sensible; appealing to or in accordance with instinctive understanding or sound judgement. Usually hyphenated.

That does not tolerate foolish or extravagant conduct; brisk, practical, businesslike.

Concerned with, or characterized by, a practical view of life; having or showing a sensible and practical idea of what can be achieved or expected.

Of a person: having his or her feet on the ground; realistic, sensible, well-balanced.