споко́йствие — meaning in English

spokoystviye

English meaning

calm adj Free from anxiety, agitation, or strong emotion; peaceful.
calmness noun The quality of being calm; a settled, untroubled state.
composure noun A calm and controlled state of mind, especially under pressure.
ease noun The quality of being simple or effortless.
peace noun A state of calm with no war, fighting, or serious conflict.
placidity noun A calm and peaceful state.
quiet adj Making little or no sound.
repose noun A state of rest or calm, especially after activity, or a period of sleep.
serenity noun A deep state of calm and peacefulness.
tranquillity noun A state of calm and peacefulness, free from disturbance or stress.

споко́йствие is used for these senses in English:

calm (in a person) The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.
calm (in a place or situation) The state of being calm; absence of noise and disturbance.
calmness (uncountable) The state of being calm; tranquillity; silence.
composure Calmness of mind or temperament.
peace A state of tranquility, quiet, and harmony. For instance, a state free from civil disturbance.
placidity The state of being placid; peacefulness.
quiet The absence of movement; stillness, tranquility.
repose (uncountable) The state of being peacefully inactive or relaxed, or being free from disturbances or worries; calmness, ease, peace, quietness.