self-containment

He had learned self-reliance, which is a good thing, and self-containment, which is a better.

He had been shaken and stirred of late out of all his self-containment; Prudence had heard many things from him.

There was a self-containment and a lack of self-consciousness on the part of the preacher that was not unnoticed by Sterling.

Spare our property now and you shall not rue your self-containment.