"Good composure" refers to the state of being calm, controlled, and composed, especially in difficult or stressful situations. It means maintaining a cool and collected demeanor and not letting emotions or external factors overwhelm you.
Sentences with «good composure»
Foyth showed good composure on the ball and one particular instance of the match just about highlighted his excellent composure, when the Argentine took a run at Burnley after brilliantly winning the ball in his own half. (thickaccent.com)
Showed good composure on the ball, didn't hide and was good with interceptions and tackles in general. (justarsenal.com)
There were promising signs with the back four, who rarely looked troubled and played with good composure, and Schneiderlin also looks like a great addition to the team. (manchesterlalala.com)