Acumen

from WordNet (r) 3.0 (2006)
acumen
    n 1: a tapering point
    2: shrewdness shown by keen insight [syn: {insightfulness},
       {acumen}]
from The Collaborative International Dictionary of English v.0.48
Acumen \A*cu"men\, n. [L. acumen, fr. acuere to sharpen. Cf.
   {Acute}.]
   Quickness of perception or discernment; penetration of mind;
   the faculty of nice discrimination. --Selden.
   [1913 Webster]

   Syn: Sharpness; sagacity; keenness; shrewdness; acuteness.
        [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
34 Moby Thesaurus words for "acumen":
      acuity, acuteness, apperception, astuteness, cogency,
      critical discernment, discernment, discrimination, farseeingness,
      farsightedness, flair, foresight, foresightedness, incisiveness,
      insight, judgment, keenness, longheadedness, longsightedness,
      penetration, perception, perceptiveness, percipience,
      perspicaciousness, perspicacity, perspicuity, perspicuousness,
      providence, sagaciousness, sagacity, sensibility, sharpness,
      shrewdness, trenchancy
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