aloof • at peace • at rest • bloodless • calm • cloistered • collected • composed • concordant • controlled • cool • coolheaded • detached • dispassionate • dull • dwindling • easy • ebbing • equable • even • even-tempered • even-tenored • gentle • halcyon • hushed • idyllic • impassive • imperturbable • isolated • moldering • nonchalant • orderly • pacific • passive • pastoral • peaceable • peaceful • peacetime • philosophical • piping • placid • quiescent • quiet • reposeful • reposing • restful • resting • secluded • self-controlled • self-possessed • sequestered • sequestrated • serene • sheltered • smooth • sober • soft • steady • still • still as death • stillish • stilly • Stoic • stolid • subsiding • temperate • tranquil • unagitated • undisturbed • unemotional • unexcited • unflappable • unimpassioned • unmoved • unperturbed • unruffled • unstirring • untroubled • waning • withdrawn