a cool head

cool head

The ability to remain calm and rational during stressful situations. The successful outcome of the hostage situation was due to the police officer's cool head.
See also: cool, head

a cool head

COMMON If you have a cool head, you remain calm in difficult situations. I have to keep a cool head and try not to let my anger show. I value her cool head when I'm trying to come to a decision.
See also: cool, head
References in classic literature ?
Caution deserted me, and I made noise enough to wake the very mute; lost to every consideration but that of the terrifying day before me, the day of silence and of inactivity, that I must live through with an unsuspecting face, a cool head, a civil tongue
It is my duty to attend to your interests with a cool head, and I can quite understand that to your excited feelings I may appear, at such times as the present, insensible.
Rikki Lee James' first-half opener was cancelled out by Brotherwick on the hour and he showed a cool head to crash in the winner from the penalty spot in the 89th minute.