astucity|əˈstjuːsɪtɪ| [f. astucious; cf.ferocious, ferocity.] Astuteness. 1837Carlyle Fr.Rev. i. iii. (1872) III. 19 With astucity, with swiftness, with audacity!1851― Sterling iii. v. (1872) 211 He was a man..great only in..speciosities, astucities.