keep a level head

keep a level head

To maintain a calm demeanor and think clearly in a difficult, stressful, or troubling situation. I know you're anxious about this midterm exam, but just remember what we've gone over and try to keep a level head. You have to keep a level head during business negotiations or else you may end up getting the short end of the stick.
See also: head, keep, level

keep a level ˈhead

remain calm and sensible, even in difficult situations: She managed to keep a level head when all the others panicked. OPPOSITE: lose your head ▶ ˌlevel-ˈheaded adj.: Nurses need to be level-headed.
See also: head, keep, level