The Collaborative International Dictionary of English v.0.48:

Ripple \Rip"ple\, v. i. [imp. & p. p. Rippled; p. pr. & vb. n.
   Rippling.] [Cf. Rimple, Rumple.]
   1. To become fretted or dimpled on the surface, as water when
      agitated or running over a rough bottom; to be covered
      with small waves or undulations, as a field of grain.
      [1913 Webster]

   2. To make a sound as of water running gently over a rough
      bottom, or the breaking of ripples on the shore.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rippled
    adj 1: uneven by virtue of having wrinkles or waves [syn:
           crinkled, crinkly, rippled, wavy, wavelike]
    2: shaken into waves or undulations as by wind; "the rippled
       surface of the pond"; "with ruffled flags flying" [syn:
       rippled, ruffled]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "rippled":
   cockled, cockly, corrugate, corrugated, creased, crimped, crimpy,
   crinkled, crinkly, crumpled, furrowed, knitted, knotted, puckered,
   puckery, pursed, pursy, ridged, rimpled, rucked, rugged, rugose,
   rugous, rumpled, wrinkled, wrinkly