The Collaborative International Dictionary of English v.0.48:

Multiply \Mul"ti*ply\, v. t. [imp. & p. p. Multiplied; p. pr.
   & vb. n. Multiplying.] [F. multiplier, L. multiplicare, fr.
   multiplex manifold. See Multitude, Complex.]
   1. To increase in number; to make more numerous; to add
      quantity to.
      [1913 Webster]

            Impunity will multiply motives to disobedience.
                                                  --Ames.
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   2. (Math.) To add (any given number or quantity) to itself a
      certain number of times; to find the product of by
      multiplication; thus 7 multiplied by 8 produces the number
      56; to multiply two numbers. See the Note under
      Multiplication.
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   3. To increase (the amount of gold or silver) by the arts of
      alchemy. [Obs.]
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   Multiplying gear (Mach.), gear for increasing speed.

   Multiplying lens. (Opt.) See under Lens.
      [1913 Webster]

WordNet (r) 3.0 (2006):

multiplied
    adj 1: greatly increased as by multiplication

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "multiplied":
   accelerated, aggrandized, amplified, augmented, beefed-up, bloated,
   boosted, broadened, deepened, elevated, enhanced, enlarged,
   expanded, extended, heightened, hiked, increased, inflated,
   intensified, jazzed up, magnified, manifold, multifold, multiple,
   polynomial, proliferated, raised, reinforced, spread, stiffened,
   strengthened, swollen, tightened, widened