The Collaborative International Dictionary of English v.0.48:

Marionette \Mar`i*o*nette"\, n. [F. marionette, prop. a dim. of
   Marie Mary.]
   1. A puppet moved by strings, as in a puppet show.
      [1913 Webster]

   2. (Zool.) The buffel duck.
      [1913 Webster]

WordNet (r) 3.0 (2006):

marionette
    n 1: a small figure of a person operated from above with strings
         by a puppeteer [syn: puppet, marionette]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "marionette":
   agate, ball, baseball bat, bat, battledore, bauble, blocks, bust,
   carving, checkerboard, chessboard, club, cockhorse, cricket bat,
   cue, doll, doll carriage, dolly, dummy, fantoccini, figure,
   figurehead, figurine, gewgaw, gimcrack, gingerbread man, golf club,
   hobbyhorse, jack-in-the-box, jacks, jackstones, jackstraws,
   kickshaw, knickknack, lay figure, man of straw, manikin, mannequin,
   marble, mig, model, monument, paper doll, pick-up sticks, pinwheel,
   plaything, portrait bust, puppet, racket, rag doll, rocking horse,
   scarecrow, sculpture, snowman, sport, statuary, statue, statuette,
   steelie, taw, teetotum, top, toy, toy soldier, trinket, wax figure,
   waxwork, whim-wham, wood carving