_____________ person exhibits composure and self-assuredness, which comes in handy, for instance, during a job interview, giving a public talk or debate, or playing sports.

Watching the Olympics, you may wonder how gymnasts remain so ________ when competing on the balance beam, considered the sport's most mentally and physically challenging event. 

You can be _______ for a leadership position, _______ for battle, or _______ to become music's next pop star.

He stares for a moment, the bottle ________ at his lips. Water for Elephants

If you have __________, you are cool under stress. People with __________ can handle pressure without showing it.

Trying to fall asleep the night before a test, you might have ________________ about having studied so little.

If you have _________________ about something, it means you're worried that it's not a good idea.