This man is married to a handsome woman, whose fidelity he has perpetually been doubting from no cause except his own sagacity.
And his sagacity on this occasion was at that time looked upon as next to divine.
Her sagacity was at fault, if she persuaded herself that the returned emigrant-priest would bring harmony into public counsels.
How great a sagacity shall wander if it gets on a false scent!
Peacock says she wrote good letters, but apparently interested people had sagacity enough to mislay them in time.
In his danger, she has the sagacity of the serpent, and the courage of the lioness.
In fact, Aleck commented duly upon his own sagacity in conceiving that idea.
Therefore, he does not boast of his sagacity, but rather of his integrity.
Locke had the sagacity to perceive the impossibility of regulating the interest of money by law.
And now, it remains for us to see if your sagacity is at fault.
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."