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Having or showing penetrating mental discernment; clear-sighted. See Synonyms at shrewd.

[From Latin perspicāx, perspicāc-, from perspicere, to look through; see perspective.]

per′spi·ca′cious·ly adv.
per′spi·ca′cious·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.perspicaciousness - intelligence manifested by being astute (as in business dealings)perspicaciousness - intelligence manifested by being astute (as in business dealings)
business enterprise, commercial enterprise, business - the activity of providing goods and services involving financial and commercial and industrial aspects; "computers are now widely used in business"
intelligence - the ability to comprehend; to understand and profit from experience
craftiness, cunning, foxiness, guile, slyness, wiliness, craft - shrewdness as demonstrated by being skilled in deception
insightfulness, acumen - shrewdness shown by keen insight
knowingness - shrewdness demonstrated by knowledge
street smarts - a shrewd ability to survive in a dangerous urban environment