List of prudent synonyms and prudent related words.
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