Find the Meaning in the Context
<Context & Usage> synonym
: wise, sensible in action and thought
ex) We've got to be very careful we're not tying our hands behind our backs.
ex) Indeed the detailed, cautious, inconclusive report of the commission is probably now of more interest.
ex) This superbly efficient oven is also highly economical to use as you can cook three or more different dishes.
ex) Eleanor Darcy made coffee, using a frugal quantity of powder and low-fat milk.