Prudent

1. a. Frugal; economical; not extravagant; as, a prudent woman; prudent expenditure of money.
2. a. Sagacious in adapting means to ends; circumspect in action, or in determining any line of conduct; practically wise; judicious; careful; discreet; sensible; — opposed to rash; as, a prudent man; dictated or directed by prudence or wise forethought; evincing prudence; as, prudent behavior.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.