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acumen

[uh-kyoo-muh n, ak-yuh-] /əˈkyu mən, ˈæk yə-/
noun
1.
keen insight; shrewdness:
remarkable acumen in business matters.
Origin of acumen
1525-1535
1525-35; < Latin acūmen sharpness, equivalent to acū- (stem of acuere to sharpen; see acute) + -men noun suffix
Related forms
acuminous
[uh-kyoo-muh-nuh s] /əˈkyu mə nəs/ (Show IPA),
adjective
unacuminous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for acumen

acumen

/ˈækjʊˌmɛn; əˈkjuːmən/
noun
1.
the ability to judge well; keen discernment; insight
Derived Forms
acuminous, adjective
Word Origin
C16: from Latin: sharpness, from acuere to sharpen, from acus needle
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
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Word Origin and History for acumen
n.

1530s, from Latin acumen "a point, sting," hence "mental sharpness, shrewdness," from acuere "to sharpen" (see acuity).

Online Etymology Dictionary, © 2010 Douglas Harper
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