• WordNet 3.6
    • adj sagacious skillful in statecraft or management "an astute and sagacious statesman"
    • adj sagacious acutely insightful and wise "much too perspicacious to be taken in by such a spurious argument","observant and thoughtful, he was given to asking sagacious questions","a source of valuable insights and sapient advice to educators"
    • ***
Webster's Revised Unabridged Dictionary
    • Sagacious Hence, of quick intellectual perceptions; of keen penetration and judgment; discerning and judicious; knowing; far-sighted; shrewd; sage; wise; as, a sagacious man; a sagacious remark. "Instinct . . . makes them, many times, sagacious above our apprehension.""Only sagacious heads light on these observations, and reduce them into general propositions."
    • Sagacious Of quick sense perceptions; keen-scented; skilled in following a trail. "Sagacious of his quarry from so far."
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Century Dictionary and Cyclopedia
    • sagacious Keenly perceptive; discerning, as by some exceptionally developed or extraordinary natural power; especially, keen of scent: with of.
    • sagacious Exhibiting or marked by keen intellectual discernment, especially of human motives and actions; having or proceeding from penetration into practical affairs in general; having keen practical sense; acute in discernment or penetration; discerning and judicious; shrewd: as, a sagacious mind.
    • sagacious Intelligent; endowed with sagacity.
    • sagacious Synonyms and Sage, Knowing, etc. (see astute); perspicacious, clear-sighted, long-headed, sharp-witted, intelligent, well-judged, sensible.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Sagacious sa-gā′shus keen or quick in perception or thought: acute: discerning and judicious: wise
    • ***


  • Titus Maccius Plautus
    “Every man, however wise, needs the advice of some sagacious friend in the affairs of life.”


Webster's Revised Unabridged Dictionary
L. sagax, sagacis, akin to sagire, to perceive quickly or keenly, and probably to E. seek,. See Seek, and cf. Presage
Chambers's Twentieth Century Dictionary
L. sagax, sagacissagīre, to perceive quickly.


In literature:

In particular, the sagacious artist will respect basic national prejudices.
"The Author's Craft" by Arnold Bennett
The sagacious conqueror did not pillage the city, and treated the citizens with clemency.
"The World's Greatest Books, Vol XI." by Edited by Arthur Mee and J.A. Hammerton
The thinker who chose the right associate, the one that led him towards his goal rather than some other, was called sagacious.
"How to Teach" by George Drayton Strayer and Naomi Norsworthy
It was one of half-a-dozen favourite proverbs which he flung at the less sagacious and prudent of his tenants.
"Helen with the High Hand (2nd ed.)" by Arnold Bennett
And she was the most sagacious girl I ever experienced!
"Cobwebs From an Empty Skull" by Ambrose Bierce (AKA: Dod Grile)
His less sagacious friends noted with surprise and anxiety that he let the work of opposition go on unchecked.
"Abraham Lincoln, Vol. II" by John T. Morse
Being a stout woman with a tranquil and sagacious mind, her first act was not to drop the lamp.
"The Card, A Story Of Adventure In The Five Towns" by Arnold Bennett
A sagacious black advised us to keep near the riverbank, and we found the ground better.
"Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2)" by Thomas Mitchell
In like manner, and by measures equally sagacious, a salutary check was given to this growing evil.
"Knickerbocker's History of New York, Complete" by Washington Irving
The most sagacious Southern leaders saw in that result conclusive proof that the scale was turned.
"The Abolitionists" by John F. Hume

In poetry:

Beneath a form vast and uncouth
Such excellence is found:
Sagacious Elephant! thy truth,
Thy kindness is renown'd.
"The Elephant" by William Hayley
Volan. Lo, from the dark abyss to lightsome air,
Great Lucifer now rising, and with him
The most sagacious band
Of hellish counsellors.
"Adam: A Sacred Drama. Act 4." by William Cowper
Heroic soul, in homely garb half hid,
Sincere, sagacious, melancholy, quaint;
What he endured, no less than what he did,
Has reared his monument, and crowned him saint.
"Lincoln" by John Townsend Trowbridge
He knew not North, nor South, nor West, nor East:
Childless himself, Father of States he stood,
Strong and sagacious as a Knight turned Priest,
And vowed to deeds of good.
"Arms And The Man - Pater Patrae" by James Barron Hope
"Introduce me, now there's a good fellow," he said,
"If we happen to meet it together!"
And the Bellman, sagaciously nodding his head,
Said "That must depend on the weather."
"The Hunting Of The Snark " by Lewis Carroll
Lucifer. All you, that most sagacious
I reckoned once in my infernal kingdoms,
I find now least sagacious.
To thee I turn, Arsiccio, tell me now
What means that mystery,
The cursing of the earth?
"Adam: A Sacred Drama. Act 4." by William Cowper

In news:

She and Sagacious HF made waves at the Dressage at Holiday and Horses in Wellington, Fla.