self-composed

Pale and terrified, but never more self-composed, Lady Deringham stepped out to them in a long, white dressing-gown.

There was a shadow of impatience on his face, but it was instantly dissipated by Maggie's self-composed, direct-eyed beauty.

As a rule, prisoners are nervous and sometimes tremble when taken into court: but judges are proverbially calm and self-composed.

Lady Mary Lambart came last night—a simple, self-composed girl, with a pale face and golden hair.

The minute he had any part to take in the proceedings of the House, he was just as alert, cheerful, self-composed as ever.