Origin of cool-headed
Examples from the Web for cool-headed
Eighteen months ago, I was in a similar situation and had the opportunity to act like a cool-headed adult—but failed miserably.
The Colonel, Belmont, and the young Harvard graduate were the three most cool-headed and resourceful members of the party.A Desert Drama|A. Conan Doyle
For once the brave and cool-headed Dutchmen were fairly panic-stricken.The Great Boer War|Arthur Conan Doyle
She was jealous of her reputation with the old and cool-headed lords about her.The Town|Leigh Hunt