Synonyms and related words :
affliction, at rest, bane, besetment, bother, botheration, calm, cloistered, collected, composed, cool, coolheaded, curse, detached, disease, dwindling, easy, easygoing, ebbing, epidemic, even-tenored, exasperation, halcyon, hushed, impassive, inexcitable, infestation, invasion, irenic, irritant, isolated, moldering, nuisance, outbreak, pacific, peaceable, peaceful, pes, pest, pestilence, philosophical, plague, poised, quiescent, quiet, rash, ravage, reposeful, reposing, restful, resting, scourge, secluded, self-possessed, sequestered, sequestrated, serene, sheltered, smooth, still, still as death, stillish, stilly, stoic, stolid, subsiding, tranquil, unagitated, undisturbed, unmoved, unperturbed, unruffled, unstirring, untroubled, waning