The Collaborative International Dictionary of English v.0.48:

Sprinkle \Sprin"kle\ (spr[i^][ng]"k'l), v. t. [imp. & p. p.
   Sprinkled (-k'ld); p. pr. & vb. n. Sprinkling
   (-kl[i^]ng).] [OE. sprenkelen, freq. of sprengen to sprinkle,
   to scatter, AS. sprengan, properly, to make to spring,
   causative of springan to spring; akin to D. sprenkelen to
   sprinkle, G. sprengen. See Spring, v. i., and cf.
   Sprent.]
   1. To scatter in small drops or particles, as water, seed,
      etc.
      [1913 Webster]

   2. To scatter on; to disperse something over in small drops
      or particles; to besprinkle; as, to sprinkle the earth
      with water; to sprinkle a floor with sand.
      [1913 Webster]

   3. To baptize by the application of a few drops, or a small
      quantity, of water; hence, to cleanse; to purify.
      [1913 Webster]

            Having our hearts sprinkled from an evil conscience.
                                                  --Heb. x. 22.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

64 Moby Thesaurus words for "sprinkled":
   bespangled, blotched, blotchy, cheeseparing, chinchy, chintzy,
   dotted, dotty, dusted, exiguous, flea-bitten, flecked, fleckered,
   frecked, freckled, freckly, infrequent, macular, maculate,
   maculated, meager, miserly, niggardly, patchy, peppered, piddling,
   pocked, pockmarked, pocky, pointille, pointillistic, polka-dot,
   poor, powdered, punctated, rare, scant, scanty, scarce, scattered,
   scrimping, scrimpy, seldom met with, seldom seen, skimping, skimpy,
   slim, spangled, sparse, spattered, specked, speckled, speckledy,
   speckly, splattered, splotched, splotchy, spotted, spotty, stingy,
   stippled, studded, thin, tight