Meaning: If you describe an action or decision as judicious, you approve of it because you think that it shows good judgment and sense.

Example:

1.  Judicious planning now can prevent problems later.
2.  With more judicious use, you could almost double the battery life.

Related/similar words: careful, reasonable, sensible, prudent

Etymology: 16^th Century

From French judicieux (16c.) or directly from Medieval Latin iudiciosus "prudent, judicious,"