The Collaborative International Dictionary of English v.0.48:

Dangle \Dan"gle\ (d[a^][ng]"g'l), v. i. [imp. & p. p. Dangled;
   p. pr. & vb. n. Dangling.] [Akin to Dan. dangle, dial. Sw.
   dangla, Dan. dingle, Sw. dingla, Icel. dingla; perh. from E.
   ding.]
   To hang loosely, or with a swinging or jerking motion.
   [1913 Webster]

         He'd rather on a gibbet dangle
         Than miss his dear delight, to wrangle.  --Hudibras.
   [1913 Webster]

         From her lifted hand
         Dangled a length of ribbon.              --Tennyson.
   [1913 Webster]

   To dangle about or To dangle after, to hang upon
      importunately; to court the favor of; to beset.
      [1913 Webster]

            The Presbyterians, and other fanatics that dangle
            after them,
            are well inclined to pull down the present
            establishment.                        --Swift.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dangle \Dan"gle\, v. t.
   To cause to dangle; to swing, as something suspended loosely;
   as, to dangle the feet.
   [1913 Webster]

         And the bridegroom stood dangling his bonnet and plume.
                                                  --Sir W.
                                                  Scott.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dangle
    v 1: hang freely; "the ornaments dangled from the tree"; "The
         light dropped from the ceiling" [syn: dangle, swing,
         drop]
    2: cause to dangle or hang freely; "He dangled the ornaments
       from the Christmas tree"

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "dangle":
   advertise, affect, air, around, bag, betoken, blazon forth, bob,
   bobble, brandish, breathe, bring forth, bring forward,
   bring into view, bring out, bring to notice, careen, cascade,
   coggle, daggle, demonstrate, depend, develop, disclose, display,
   divulge, drabble, drag, draggle, dramatize, drape, droop, emblazon,
   embody, enact, evidence, evince, exhibit, expose to view, express,
   fall, flap, flash, flaunt, flop, flourish, flow, fluctuate,
   flutter, follow, follow at heel, follow the crowd, give sign,
   give token, hang, hang about, hang down, highlight, hold up,
   illuminate, incarnate, indicate, librate, lop, lurch, make clear,
   make plain, manifest, materialize, mean, nod, nutate, oscillate,
   parade, pend, pendulate, perform, pitch, present, produce,
   put forth, put forward, reel, represent, resonate, reveal, rock,
   roll, roll out, sag, set forth, shake, show, show forth, sling,
   sport, spotlight, suspend, swag, sway, swing, token, toss, trail,
   trot out, trumpet, trumpet forth, unfold, vacillate, vaunt,
   vibrate, wag, waggle, wait, wave, waver, weep, wobble