THESAURUS
subsiding
at rest, calm, cloistered, collapsing, coming apart, contractive, cool, cracking, crumbling, decadent, deciduous, declining, declivitous, decreasing, decrescendo, decrescent, decurrent, degenerate, deliquescent, descendant, descending, deteriorating, diminishing, diminuendo, disintegrating, down, down-reaching, downcoming, downfalling, downgoing, downhill, downsinking, downward, draining, drooping, dropping, dwindling, ebbing, effete, even-tenored, fading, failing, falling, flagging, fragmenting, going to pieces, halcyon, hushed, impassive, isolated, languishing, lessening, marcescent, moldering, on the descendant, on the downgrade, on the wane, pacific, peaceable, peaceful, pining, placid, plummeting, plunging, quiescent, quiet, reductive, regressive, reposeful, reposing, restful, resting, retrograde, retrogressive, sagging, secluded, sequestered, sequestrated, setting, sheltered, shriveling, sinking, sliding, slipping, slumping, smooth, still, still as death, stillish, stilly, stoic, stolid, submerging, tabetic, tottering, tranquil, tumbledown, unagitated, undisturbed, unmoved, unperturbed, unruffled, unstirring, untroubled, waning, wasting, wilting, withering, worsening
