This is the 2579th most frequent Russian word.
спокойно
Calmly.
The word 'спокойно' is used as an adverb to describe how someone should behave—calmly and without causing disturbance.
Пожалуйста, ведите себя спокойно.
Please behave calmly.
Here, 'спокойно' is used to describe the manner of reacting—it highlights a composed and unperturbed response.
Он спокойно отреагировал на новость.
He reacted calmly to the news.
In this sentence, 'спокойно' refers to the manner of walking—relaxed and not hurried, implying a peaceful activity.