Synonyms of coolly

2 Syllables
shrewdly, calmly, smoothly
3 Syllables
artfully, soberly, trickily, foxily, evenly, tranquilly, easily
4 Syllables
reservedly, sedately, unhurriedly, motionlessly, guilefully, peacefully, serenely, collectedly, composedly
5 Syllables
deceptively, unexcitedly
6 Syllables
unemotionally, lackadaisically