Which preposition to use with astute

in Occurrences 3%

These doubts might, however, be removed by explanation; and he must say, that while England retained possession of the colonies wrested from Holland she ought not to be very astute in finding reasons for excepting herself from the terms of her contract.

as Occurrences 2%

He maintained that public affairs demanded quickness, energy, and unity of action; and it was certainly fortunate for Germany in the present crisis that the foreign policy was in the hands of a single man, and that man so able, decided, and astute as Bismarck.

of Occurrences 2%

Talleyrand, whose designs could never be fathomed by the most astute of diplomatists, had succeeded also in isolating Russia and Prussia from the rest of Europe, and raising France into a great power, although her territories were now confined to the limits which had existed in 1792.

Which preposition to use with  astute