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

abate \abate"\ .ab=at", v. t. imp.  p. p. abated, p.
   pr.  vb. n. abating. of. abatre to beat down, f.
   abattre, ll. abatere; ab or ad + batere, battere popular
   form for l. batuere to beat. cf. bate, batter.
   1. to beat down; to overthrow. obs.
      1913 webster

            the king of scots . . . sore abated the walls.
                                                  --edw. hall.
      1913 webster

   2. to bring down or reduce from a higher to a lower state,
      number, or degree; to lessen; to diminish; to contract; to
      moderate; to cut short; as, to abate a demand; to abate
      pride, zeal, hope.
      1913 webster

            his eye was not dim, nor his natural force abated.
                                                  --deut. xxxiv.
                                                  7.
      1913 webster

   3. to deduct; to omit; as, to abate something from a price.
      1913 webster

            nine thousand parishes, abating the odd hundreds.
                                                  --fuller.
      1913 webster

   4. to blunt. obs.
      1913 webster

            to abate the edge of envy.            --bacon.
      1913 webster

   5. to reduce in estimation; to deprive. obs.
      1913 webster

            she hath abated me of half my train.  --shak.
      1913 webster

   6. law
      a to bring entirely down or put an end to; to do away
          with; as, to abate a nuisance, to abate a writ.
      b eng. law to diminish; to reduce. legacies are liable
          to be abated entirely or in proportion, upon a
          deficiency of assets.
          1913 webster

   to abate a tax, to remit it either wholly or in part.
      1913 webster
see also:
abated abating bate batter to abate a tax 

[2] : WordNet (r) 2.0

abating
     adj : decreasing in amount or intensity syn: subsiding
see also:
subsiding 

Abating >> A Words
Abating, definition of term: Abating
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