This man is married to a handsome woman, whose fidelity he has perpetually been doubting from no cause except his own sagacity.
I had a view, moreover, to give her an high opinion of her own sagacity.
Her sagacity was at fault, if she persuaded herself that the returned emigrant-priest would bring harmony into public counsels.
But I need not tell you this, for you have the sagacity to comprehend it all yourself.
Peacock says she wrote good letters, but apparently interested people had sagacity enough to mislay them in time.
At twenty-four he had the sagacity, the prudence, the reserve of a man of fifty.
In fact, Aleck commented duly upon his own sagacity in conceiving that idea.
This will not decrease his opinion of your sagacity and firmness.
Locke had the sagacity to perceive the impossibility of regulating the interest of money by law.
But Uncas, with Indian sagacity, led the party on the trail.
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."