briskness

noun
1
the quality of being quick
سرعت, چالاکی, تندی, چابکی
2
a practical and confident manner, showing a desire to get things done quickly
چابکی, سریع‌العملی
His briskness couldn't hide his underlying anxiety.
3
a cold but pleasantly fresh quality in the weather
خنکای دلپذیر, طراوت خوشایند, خنکای مطبوع
There's a chill in the air and a certain briskness to the mornings.