1. (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.

2. (a.) Frugal; economical; not extravagant; as, a prudent woman; prudent expenditure of money.

Argus-eyed Scotch advisable alert all ears all eyes anticipant anticipatory attentive aux aguets bland canny careful cautious chary cheeseparing circumspect clairvoyant conserving considerate custodial deliberate discerning discreet discriminating discriminative divinatory eagle-eyed economic economical economizing enlightened farseeing farsighted forehanded foreknowing foreseeing foresighted forethoughted forethoughtful frugal gentle gingerly guarded hawk-eyed heedful hesitant intuitive judgmatic judicial judicious keen-eyed labor-saving leaving out nothing lidless longsighted mild mild as milk mindful moderate money-saving noncommittal nonviolent observant on guard on the lookout on the watch open-eyed overlooking no possibility pacifistic parsimonious pawky peaceable peaceful penny-wise politic precognitive precognizant prepared prescient provident providential prudential ready reasonable reflecting reflective regardful safe sagacious sage sane sapient saving scrimping sensible sharp-eyed shrewd skimping sleepless slow to act sober soft spare sparing tactical tame temperate tentative thorough thoughtful thrifty time-saving unadventurous uncommunicative undaring unenterprising unprecipitate unwasteful vigilant wary watchful well-advised well-judged wise with open eyes