Search Result for "perspicacious": 
Wordnet 3.0

ADJECTIVE (2)

1. acutely insightful and wise;
- Example: "much too perspicacious to be taken in by such a spurious argument"
- Example: "observant and thoughtful, he was given to asking sagacious questions"
- Example: "a source of valuable insights and sapient advice to educators"
[syn: perspicacious, sagacious, sapient]

2. mentally acute or penetratingly discerning;
- Example: "too clear-eyed not to see what problems would follow"
- Example: "chaos could be prevented only by clear-sighted leadership"
- Example: "much too perspicacious to be taken in by so spurious an argument"
[syn: clear-eyed, clear-sighted, perspicacious]

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3 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Perspicacious \Per`spi*ca"cious\ (p[~e]r`sp[i^]*k[=a]"sh[u^]s), a. [L. perspicax, -acis, fr. perspicere to look through: cf. F. perspicace. See Perspective.] 1. Having the power of seeing clearly; quick-sighted; sharp of sight. [1913 Webster] 2. Fig.: Of acute discernment; keen. [1913 Webster] -- Per`spi*ca"cious*ly, adv. -- Per`spi*ca"cious*ness, n. [1913 Webster]
WordNet (r) 3.0 (2006):

perspicacious adj 1: 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" [syn: perspicacious, sagacious, sapient] 2: mentally acute or penetratingly discerning; "too clear-eyed not to see what problems would follow"; "chaos could be prevented only by clear-sighted leadership"; "much too perspicacious to be taken in by so spurious an argument" [syn: clear-eyed, clear-sighted, perspicacious]
Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "perspicacious": acute, all-knowing, apperceptive, appercipient, apprehending, apprehensive, argute, astute, aware, cagey, cogent, cognizant, comprehending, conscious, discerning, farseeing, farsighted, foreseeing, foresighted, forethoughted, forethoughtful, heady, incisive, insightful, intelligent, judicious, knowing, knowledgeable, longheaded, longsighted, mindful, omniscient, penetrating, perceptive, percipient, perspicuous, piercing, prehensile, provident, sagacious, savvy, sensible, sharp-sighted, sharp-witted, shrewd, trenchant, understanding, wise