unexcitable

Early arrivals to the Democratic Convention are already framing Obama as the unexcitable, even-tempered choice.

He strikes me (and the English so regard him) as a man of admirable judgment—unexcitable and indefatigable.

Truly the scene was beautiful, and one to breathe a warlike spirit into the most unexcitable.

A quiet, unexcitable mental characteristic is the utmost necessity.

If I murmured, Aunt Esther, whose temper was absolutely unexcitable, quelled it by her icy rigidity.

Mr. Card was apparently the most stoical of men—of a clear, unexcitable temperament, with unorthodox and vague religious ideas.