The Collaborative International Dictionary of English v.0.48:

Fold \Fold\ (f[=o]ld), v. t. [imp. & p. p. Folded; p. pr. &
   vb. n. Folding.] [OE. folden, falden, AS. fealdan; akin to
   OHG. faltan, faldan, G. falten, Icel. falda, Dan. folde, Sw.
   f[*a]lla, Goth. fal[thorn]an, cf. Gr. di-pla`sios twofold,
   Skr. pu[.t]a a fold. Cf. Fauteuil.]
   1. To lap or lay in plaits or folds; to lay one part over
      another part of; to double; as, to fold cloth; to fold a
      letter.
      [1913 Webster]

            As a vesture shalt thou fold them up. --Heb. i. 12.
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   2. To double or lay together, as the arms or the hands; as,
      he folds his arms in despair.
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   3. To inclose within folds or plaitings; to envelop; to
      infold; to clasp; to embrace.
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            A face folded in sorrow.              --J. Webster.
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            We will descend and fold him in our arms. --Shak.
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   4. To cover or wrap up; to conceal.
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            Nor fold my fault in cleanly coined excuses. --Shak.
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The Collaborative International Dictionary of English v.0.48:

folded \folded\ adj.
   made compact by bending or doubling over. [Narrower terms:
   accordion, plicate ; {bifold ; {closed ; {doubled ; {pleated
   ; {rolled, rolled-up(prenominal) ; {sunburst, sunray .] Also
   See: {collapsible, collapsable. Antonym: unfolded
   [WordNet 1.5]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "folded":
   creased, crimped, dog-eared, doubled, flexible, flounced, fluted,
   foldable, folding, gathered, plaited, pleated, pliable, plicate,
   plicated, plicatile, quilled, ruffled, tucked, twilled