using good judgement or sense
judicious - wise
To be ‘judicious’ means to be careful or sensible about something. It puts emphasis on the ability to reach wise decisions or just conclusions through using sound judgment. The word should not be confused with ‘judicial’, which is concerned with the administration of justice.
Thanks to some judicious investments, I have managed to make a killing on the stock exchange.
If we are to make the most of the resources available to us, they must be used judiciously.
The judiciousness of her selection is proven by how quickly her candidate has settled into the role.