The Collaborative International Dictionary of English v.0.48:

Abstracted \Ab*stract"ed\, a.
   1. Separated or disconnected; withdrawn; removed; apart.
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            The evil abstracted stood from his own evil.
                                                  --Milton.
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   2. Separated from matter; abstract; ideal. [Obs.]
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   3. Abstract; abstruse; difficult. [Obs.] --Johnson.
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   4. Inattentive to surrounding objects; absent in mind. "An
      abstracted scholar." --Johnson.
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The Collaborative International Dictionary of English v.0.48:

Abstract \Ab*stract"\, v. t. [imp. & p. p. Abstracted; p. pr.
   & vb. n. Abstracting.] [See Abstract, a.]
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   1. To withdraw; to separate; to take away.
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            He was incapable of forming any opinion or
            resolution abstracted from his own prejudices. --Sir
                                                  W. Scott.
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   2. To draw off in respect to interest or attention; as, his
      was wholly abstracted by other objects.
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            The young stranger had been abstracted and silent.
                                                  --Blackw. Mag.
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   3. To separate, as ideas, by the operation of the mind; to
      consider by itself; to contemplate separately, as a
      quality or attribute. --Whately.
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   4. To epitomize; to abridge. --Franklin.
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   5. To take secretly or dishonestly; to purloin; as, to
      abstract goods from a parcel, or money from a till.
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            Von Rosen had quietly abstracted the bearing-reins
            from the harness.                     --W. Black.
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   6. (Chem.) To separate, as the more volatile or soluble parts
      of a substance, by distillation or other chemical
      processes. In this sense extract is now more generally
      used.
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WordNet (r) 3.0 (2006):

abstracted
    adj 1: lost in thought; showing preoccupation; "an absent
           stare"; "an absentminded professor"; "the scatty glancing
           quality of a hyperactive but unfocused intelligence"
           [syn: absent, absentminded, abstracted, scatty]

Moby Thesaurus II by Grady Ward, 1.0:

78 Moby Thesaurus words for "abstracted":
   abbreviated, abridged, absent, absentminded, absorbed, bemused,
   bobbed, buried in thought, capsule, capsulized, castle-building,
   clipped, compressed, condensed, cropped, curtailed, cut short,
   daydreaming, daydreamy, digested, distrait, docked, dreaming,
   dreamy, drowsing, ecstatic, elided, elliptic, elsewhere,
   engaged in thought, engrossed, engrossed in thought, faraway,
   half-awake, heedless, immersed in thought, in a reverie,
   in the clouds, inattentive, intent, introspective, lost,
   lost in thought, meditative, mooning, moonraking, mowed, mown,
   museful, musing, napping, nipped, nodding, oblivious, occupied,
   pensive, pipe-dreaming, pollard, polled, preoccupied, pruned, rapt,
   reaped, shaved, sheared, short-cut, shortened, snub, snubbed,
   somewhere else, stargazing, taken up, transported, trimmed,
   unconscious, unmindful, woolgathering, wrapped in thought