Synonyms of the word

sagacious

• adj. Having or showing keen discernment, sound judgment, and farsightedness; mentally shrewd.

perspicacious

• adj. (figuratively) Of acute discernment; having keen insight; mentally perceptive.
• adj. (obsolete) Able to physically see clearly; quick-sighted; sharp-sighted.

politic

• adj. (archaic) Of or relating to polity, or civil government; political.
• adj. (archaic, of things) Relating to, or promoting, a policy, especially a national policy; well-devised;…
• adj. (archaic) Sagacious in promoting a policy; ingenious in devising and advancing a system of management;…
• adj. Shrewd, prudent and expedient.
• adj. Discreet and diplomatic.
• adj. Artful, crafty or cunning.
• n. (archaic) A politician.

sapient

• adj. Attempting to appear wise or discerning.
• adj. (dated) Possessing wisdom and discernment; wise, learned.
• adj. (chiefly science fiction) Of a species or life-form, possessing intelligence or self-awareness.
• n. (chiefly science fiction) An intelligent, self-aware being.

wise

• adj. Showing good judgement or the benefit of experience.
• adj. (colloquial) Disrespectful.
• v. To become wise.
• v. (ergative, slang) Usually with "up", to inform or learn.
• n. (archaic) Way, manner, method.
• v. (dialectal) to instruct.
• v. (dialectal) to advise; induce.
• v. (dialectal) to show the way, guide.
• v. (dialectal) to direct the course of, pilot.
• v. (dialectal) to cause to turn.