tranquil

• "I know her too well to be mistaken, even at this distance; but remain tranquil--should she recapture your vessel, of which I entertain, I confess, very little doubt, Captain Thurot will treat you with the same courtesy he did before, notwithstanding what has occurred. —  The Missing Ship The Log of the "Ouzel" Galley
• The stream was broad and tranquil, and vast trees grew down to the water's edge; while in the far distance, to the south and east, rose ranges of lofty mountains, reminding us of the distant Andes in miniature. —  Manco, the Peruvian Chief An Englishman's Adventures in the Country of the Incas
• Be tranquil, and you will find that laziness has its comforts. —  The Atlantic Monthly, Volume 2, No. 14, December 1858
• Remain tranquil, my friend! —  Short Stories of Various Types
• The night had been tranquil, and the morning was more tranquil still; but no one who knew the capricious Mediterranean felt confident of continued fair weather. —  Chambers's Edinburgh Journal, No. 445 Volume 18, New Series, July 10, 1852

Roget's II: The New Thesaurus

Used in the Same Context