Not agitated; without losing self-possession. Synonyms:calm, serene, tranquil."Remained calm throughout the uproar" , "He remained serene in the midst of turbulence" , "A serene expression on her face" , "She became more tranquil" , "Tranquil life in the country"
... which I have never been able to solve. The total is always, on the face of it, monstrous and not to be endured; but when you call your Boy up and prepare to discharge the bombshell of your indignation, he merely inquires in an unagitated tone of voice which item you find fault with, and you become painfully aware that you have not a leg to stand on. In the first place, most of the items are too minute to allow of much retrenchment. You can scarcely make sweeping reductions on such ... — Behind the Bungalow • EHA
... was the silence of the desert. No bird chirped; no breath of wind sighed in the tree-tops; even the aspens remained unagitated. Pale yellow leaves sailed slowly, reluctantly ... — The Last Trail • Zane Grey