[1] : The Collaborative International Dictionary of English v.0.48

sagacious \saga"cious\, a. l. sagax, sagacis, akin to sagire
   to perceive quickly or keenly, and probably to e. seek. see
   seek, and cf. presage.
   1. of quick sense perceptions; keen-scented; skilled in
      following a trail.
      1913 webster

            sagacious of his quarry from so far.  --milton.
      1913 webster

   2. 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.
      1913 webster

            instinct . . . makes them, many times, sagacious
            above our apprehension.               --dr. h. more.
      1913 webster

            only sagacious heads light on these observations,
            and reduce them into general propositions. --locke.
      1913 webster

   syn: see shrewd.
        1913 webster -- saga"ciously, adv. --
        saga"ciousness, n.
        1913 webster
see also:
seek presage shrewd saga"ciously saga"ciousness 

[2] : WordNet (r) 2.0

sagaciousness
     n 1: ability to make good judgments syn: sagacity, judgment,
           judgement, discernment
     2: the trait of forming opinions by distinguishing and
        evaluating syn: judiciousness, sagacity
see also:
sagacity judgment judgement discernment judiciousness 

Sa-Gaciousness >> S Words
Sa-Gaciousness, definition of term: Sa-Gaciousness
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