[1] : The Collaborative International Dictionary of English v.0.48

subside \subside"\, v. i. imp.  p. p. subsided; p. pr. 
   vb. n. subsiding. l. subsidere; sub under, below + sidere
   to sit down, to settle; akin to sedere to sit, e. sit. see
   sit.
   1. to sink or fall to the bottom; to settle, as lees.
      1913 webster

   2. to tend downward; to become lower; to descend; to sink.
      "heaven's subsiding hill." --dryden.
      1913 webster

   3. to fall into a state of quiet; to cease to rage; to be
      calmed; to settle down; to become tranquil; to abate; as,
      the sea subsides; the tumults of war will subside; the
      fever has subsided. "in cases of danger, pride and envy
      naturally subside." --c. middleton.
      1913 webster

   syn: see abate.
        1913 webster subsidence
see also:
subsided subsiding sit abate 

[2] : WordNet (r) 2.0

subsiding
     adj : decreasing in amount or intensity syn: abating
     n : a gradual sinking to a lower level syn: settling, subsidence
see also:
abating settling subsidence 

[3] : Moby Thesaurus II by Grady Ward, 1.0

109 moby thesaurus words for "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

Subsiding >> S Words
Subsiding, definition of term: Subsiding
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