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astucity

noun as·tu·ci·ty \ -üsətē \

Definition of astucity

plural -es
:the quality of being astute :astuteness
  • they had been fools (to put it mildly), while the M'gai had been devils of astucity and treachery
  • —John Masefield

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Origin and Etymology of astucity

from astucious, after such pairs as English ferocious: ferocity

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