The Collaborative International Dictionary of English v.0.48:

Touch \Touch\, v. t. [imp. & p. p. Touched; p. pr. & vb. n.
   Touching.] [F. toucher, OF. touchier, tuchier; of Teutonic
   origin; cf. OHG. zucchen, zukken, to twitch, pluck, draw, G.
   zukken, zukken, v. intens. fr. OHG. ziohan to draw, G.
   ziehen, akin to E. tug. See Tuck, v. t., Tug, and cf.
   Tocsin, Toccata.]
   1. To come in contact with; to hit or strike lightly against;
      to extend the hand, foot, or the like, so as to reach or
      rest on.
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            Him thus intent Ithuriel with his spear
            Touched lightly.                      --Milton.
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   2. To perceive by the sense of feeling.
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            Nothing but body can be touched or touch. --Greech.
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   3. To come to; to reach; to attain to.
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            The god, vindictive, doomed them never more
            Ah, men unblessed! -- to touch their natal shore.
                                                  --Pope.
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   4. To try; to prove, as with a touchstone. [Obs.]
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            Wherein I mean to touch your love indeed. --Shak.
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   5. To relate to; to concern; to affect.
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            The quarrel toucheth none but us alone. --Shak.
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   6. To handle, speak of, or deal with; to treat of.
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            Storial thing that toucheth gentilesse. --Chaucer.
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   7. To meddle or interfere with; as, I have not touched the
      books. --Pope.
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   8. To affect the senses or the sensibility of; to move; to
      melt; to soften; especially, to cause feelings of pity,
      compassion, sympathy, or gratitude in.
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            What of sweet before
            Hath touched my sense, flat seems to this and harsh.
                                                  --Milton.
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            The tender sire was touched with what he said.
                                                  --Addison.
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   9. To mark or delineate with touches; to add a slight stroke
      to with the pencil or brush.
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            The lines, though touched but faintly, are drawn
            right.                                --Pope.
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   10. To infect; to affect slightly. --Bacon.
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   11. To make an impression on; to have effect upon.
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             Its face . . . so hard that a file will not touch
             it.                                  --Moxon.
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   12. To strike; to manipulate; to play on; as, to touch an
       instrument of music.
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             [They] touched their golden harps.   --Milton.
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   13. To perform, as a tune; to play.
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             A person is the royal retinue touched a light and
             lively air on the flageolet.         --Sir W.
                                                  Scott.
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   14. To influence by impulse; to impel forcibly. " No decree
       of mine, . . . [to] touch with lightest moment of impulse
       his free will," --Milton.
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   15. To harm, afflict, or distress.
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             Let us make a covenant with thee, that thou wilt do
             us no hurt, as we have not touched thee. --Gen.
                                                  xxvi. 28, 29.
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   16. To affect with insanity, especially in a slight degree;
       to make partially insane; -- rarely used except in the
       past participle.
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             She feared his head was a little touched. --Ld.
                                                  Lytton.
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   17. (Geom.) To be tangent to. See Tangent, a.
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   18. To lay a hand upon for curing disease.
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   19. To compare with; to be equal to; -- usually with a
       negative; as, he held that for good cheer nothing could
       touch an open fire. [Colloq.]
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   20. To induce to give or lend; to borrow from; as, to touch
       one for a loan; hence, to steal from. [Slang]
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   To touch a sail (Naut.), to bring it so close to the wind
      that its weather leech shakes.

   To touch the wind (Naut.), to keep the ship as near the
      wind as possible.

   To touch up, to repair; to improve by touches or
      emendation.
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WordNet (r) 3.0 (2006):

touched
    adj 1: having come into contact [ant: untouched]
    2: being excited or provoked to the expression of an emotion;
       "too moved to speak"; "very touched by the stranger's
       kindness" [syn: moved(p), affected, stirred, touched]
       [ant: unaffected, unmoved(p), untouched]
    3: slightly insane [syn: fey, touched(p)]

Moby Thesaurus II by Grady Ward, 1.0:

79 Moby Thesaurus words for "touched":
   abject, abnormal, affected, agonized, apologetic, bereft of reason,
   brainsick, contrite, crackbrained, cracked, crazed, crazy, daft,
   deluded, demented, deprived of reason, deranged, devoured by,
   disoriented, distraught, flighty, hallucinated, humble, humbled,
   imbued with, impressed, impressed with, insane, irrational, loco,
   lunatic, mad, maddened, manic, mazed, melted, mental,
   mentally deficient, meshuggah, moon-struck, moved, non compos,
   non compos mentis, not all there, not right, obsessed, obsessed by,
   odd, of unsound mind, off, penetrated with, penitent, penitential,
   penitentiary, psycho, queer, racked, reasonless, repentant,
   seized with, senseless, sheepish, sick, softened, stark-mad,
   stark-staring mad, strange, stricken, tetched, torn, tortured,
   unbalanced, unhinged, unsane, unsettled, unsound, wandering,
   witless, wracked