He knew him to be nervous, on the one hand, and perspicacious on the other.
Perhaps we can worm some information out of the perspicacious Jennie.
Such a policy was, of course, indicative of a shrewd and perspicacious mind.
Fortunately for you and for me, you are not so perspicacious in psychology as this young lady.
She consulted with the perspicacious Mr. Harris, and especially ...