stolidness

The announcement that the wound was not fatal did not seem to move his stolidness in the least.

In spite of his self-control and a belief in his stolidness, a lump swelled in his throat.

The woman's excitement had changed into stolidness, and she showed far less feeling in the matter than Kate had done.

Under all his stolidness he is every inch a man, as I have said many times before.