cool-headed 
adjective
Not easily worried or excited: he appeared calm and cool-headed...
- Pregnant Jordana Buckley and her mum Lorraine today paid tribute to a cool-headed fire control operator who talked them to safety knowing they were minutes from disaster.
- Remaining calm and cool-headed was always essential.
- When the paramedics finally arrived, cool-headed Gabriella, who also suffers from asthma, greeted them at the door of the 16th century farmhouse and then took them to where her mum was lying helpless on the floor.
- frictional unemployment
- friction clutch
- friction drive
- frictioned
- frictionless
- frictionlessly
- friction tape
- friction welding
- Friday
- Friday-face
- Friday-faced
- Friday fare
- Friday feast
- Friday prayers
- Fridays
- fridge
- fridge-freezer
- fried
- Friedan, Betty
- Friedman, Milton
- Friedrich, Caspar David
- friend
- friendess
- friend-foe
- reserve judgement