cool-ˈheaded, a.
[Parasynthetic deriv. of cool head: see cool a. 8.]
Having a cool head; free from excitement, not easily excited in mind.
| 1777 Burke Let. Sheriffs Bristol Wks. III. 140 The old, cool headed, general law is as good as any deviation dictated by present heat. 1855 Macaulay Hist. Eng. III. 644 Soon, however, some cool-headed people ventured to remark that the fact..was not quite so certain as might be wished. 1889 Spectator 14 Dec. 850 Among the cooler-headed members of his own party. |
Hence cool-ˈheadedness.
| 1891 Athenæum 9 May 598/2 No better illustration of his cool-headedness can be given. |