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See more synonyms for sagacity on Thesaurus.com
  1. acuteness of mental discernment and soundness of judgment.
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Origin of sagacity

1540–50; < Latin sagācitās wisdom, equivalent to sagāci- (stem of sagāx) wise (akin to seek) + -tās -ty2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sagacity

enlightenment, perspicacity, knowledge, acumen, sapience, intelligence, insight, prudence, understanding, discernment, foresight, practicality, experience, sense, shrewdness, perceptiveness, astuteness, judgment, discrimination, comprehension

Examples from the Web for sagacity

Historical Examples of sagacity

  • The Scotch officer admired his sagacity in detecting this adventurer.

    Tales And Novels, Volume 4 (of 10)

    Maria Edgeworth

  • After the incident of the birds and cage, my sagacity was for some time at fault.

  • I do believe your sagacity did not deceive you; for some such thing occurred!

    The Last of the Mohicans

    James Fenimore Cooper

  • And yet the only magic has been her vigilance, her courage, her sagacity.

    The Cavalier

    George Washington Cable

  • I had a view, moreover, to give her an high opinion of her own sagacity.

    Clarissa, Volume 3 (of 9)

    Samuel Richardson

British Dictionary definitions for sagacity


  1. foresight, discernment, or keen perception; ability to make good judgments
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sagacity


c.1500, from Middle French sagacité, from Latin sagacitatem (nominative sagacitas) "keenness of perception, quality of being acute," from sagax (genitive sagacis) "of quick perception, acute," related to sagus "prophetic," sagire "perceive keenly," from PIE root *sag- "to track down, trace, seek" (cf. Old English secan "to seek;" see seek). Also used 17c.-18c. of animals, meaning "acute sense of smell."

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Online Etymology Dictionary, © 2010 Douglas Harper