calm

appear, be, feel, look, seem, sound

She looked calm during the presentation, but her hands were shaking.

keep, remain, stay

During the emergency, the teacher stayed calm and helped all the children evacuate safely.

keep sb

The teacher tried to keep the students calm during the fire drill.

extremely, remarkably, very

She remained extremely calm during the emergency and helped everyone escape safely.

completely, perfectly, utterly

Even during the emergency, the nurse remained completely calm and reassured the worried patient.

curiously, strangely

She remained strangely calm when the fire alarm suddenly went off in the office.

reassuringly

The nurse spoke in a reassuringly calm manner while explaining the medical procedure.

about

He wasn't calm about losing his job, so he spent the whole evening worrying.

cool, calm and collected

Even during the emergency, the nurse stayed cool, calm and collected while helping the patients.

absolutely, dead, flat, perfectly

The lake was perfectly calm this morning, so we decided to go kayaking.

apparent

Despite her apparent calm during the job interview, she was actually very nervous inside.

inner

She found inner calm through daily meditation and breathing exercises.

forced, studied

She took a deep breath and spoke with studied calm, even though her hands were shaking.

dead

The house fell into a dead calm after the storm passed through the neighborhood.

deadly, icy

She walked out of the burning building with icy calm, helping others escape despite her own fear.

appeal for, call for

The principal called for calm when students started panicking about the exam results.

descend, settle

A peaceful calm descended over the noisy classroom once the teacher began reading the story.

dead, flat

The sea was completely dead calm on the morning we went out fishing.