Which preposition to use with circumspect

in Occurrences 20%

When he had got down to the pond, she ran out on to the ice, which would not bear his weight, and though he called her and begged her to come back she would not heed him but stayed frisking about, getting as near the ducks as she dared, but being circumspect in venturing on to the thin ice.

than Occurrences 3%

The inhabitants of Calbigan are considered more active and circumspect than those on the west coast, and they are praised for their honesty.

as Occurrences 1%

"I do not see that we drop the stranger, though the ship is wallowing through the water so heavily," he commenced, determined to be as circumspect as possible in his advances.

of Occurrences 1%

Yes, the fellow informed them: the Prince de Gâtinais had lodged there for a whole week, watching the north road, as circumspect of all passage as a cat over a mouse-hole.

Which preposition to use with  circumspect