"restore composure" is correct and usable in written English
It is used when someone is feeling flustered, chaotic, or overwhelmed. For example, "She was so overwhelmed from the news that her husband had to take her aside to restore her composure."
The brief application of lipstick seemed to restore the composure that my sudden appearance had caused her to lose.
The US trying to sustain a little possession and restore their composure and quieten the crowd a little.
It is okay to ask for a moment to restore your composure if you feel blank or overly nervous.
Nigel had gone to change, Henry said, but changing was only an excuse to go away and restore his shattered composure.
"It's baseball," Girardi said calmly, his composure restored.
Indeed, as Hill-Wood, his composure restored, later confirmed, there is no mood for further change at board level.
"She was an authority on the cut, fit, colour, construction and proper functioning of brassieres; and her friends had learned that her interest, even in moments of extreme emotional or physical distress, could be aroused and her composure restored by the hasty utterance of the phrase: "I saw a brassiere today, Mary, that would have interested you......
But a break in the first game of the fourth set restored Djokovic's composure and, after levelling the match, he broke twice in the decider to extend his record over Cilic to 10-0 and set up a semi-final with Murray's conqueror, Grigor Dimitrov.
Another version states that Shiva was pleased with Ravana for restoring Parvati's composure and blessed him.
With 75 minutes gone, Balde, on for Beram Kayal, demonstrated great pace and composure to break free from the halfway line following some slack Thistle passing to fire past Fox and restore the visitors' lead.
