slyness

"Certainly sometimes discretion is the better part of recollection," giving her a look of great slyness as he spoke.

He had already acquired the wisdom, or perhaps in his case slyness is a better word, of years by the time that he came to us.

Tears,' said Job, with a look of momentary slyness—'tears are not the only proofs of distress, nor the best ones.'

A gleam of gratified slyness lit up the haggardness of Northwick's face.

As a means of settling this conflict there occurs to him an experiment which he executes with slyness and restored courage.