All planning would have to be conducted with the utmost discretion.

It should never be broadcast in media but treated with the utmost discretion.

Report to me seldom, and with the utmost discretion.

Of course we had to go about the matter with the utmost discretion.

But I advise any who choose to go out to use the utmost discretion.

Before we disperse, I might just emphasize that the utmost discretion will be required.

"I can assure you that we will handle the matter with utmost discretion."

But it had to be done with the utmost discretion.

But he would do it just this once, with utmost discretion.

You've done work of genuine sensitivity and displayed the utmost discretion.