The Collaborative International Dictionary of English v.0.48:

Convert \Con*vert"\, v. t. [imp. & p. p. Converted; p. pr. &
   vb. n. Converting.] [L. convertere, -versum; con- + vertere
   to turn: cf. F. convertir. See Verse.]
   1. To cause to turn; to turn. [Obs.]
      [1913 Webster]

            O, which way shall I first convert myself? --B.
                                                  Jonson.
      [1913 Webster]

   2. To change or turn from one state or condition to another;
      to alter in form, substance, or quality; to transform; to
      transmute; as, to convert water into ice.
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            If the whole atmosphere were converted into water.
                                                  --T. Burnet.
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            That still lessens
            The sorrow, and converts it nigh to joy. --Milton.
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   3. To change or turn from one belief or course to another, as
      from one religion to another or from one party or sect to
      another.
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            No attempt was made to convert the Moslems.
                                                  --Prescott.
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   4. To produce the spiritual change called conversion in (any
      one); to turn from a bad life to a good one; to change the
      heart and moral character of (any one) from the
      controlling power of sin to that of holiness.
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            He which converteth the sinner from the error of his
            way shall save a soul from death.     --Lames v. 20.
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   5. To apply to any use by a diversion from the proper or
      intended use; to appropriate dishonestly or illegally.
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            When a bystander took a coin to get it changed, and
            converted it, [it was] held no larceny. --Cooley.
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   6. To exchange for some specified equivalent; as, to convert
      goods into money.
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   7. (Logic) To change (one proposition) into another, so that
      what was the subject of the first becomes the predicate of
      the second.
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   8. To turn into another language; to translate. [Obs.]
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            Which story . . . Catullus more elegantly converted.
                                                  --B. Jonson.
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   Converted guns, cast-iron guns lined with wrought-iron or
      steel tubes. --Farrow.

   Converting furnace (Steel Manuf.), a furnace in which
      wrought iron is converted into steel by cementation.

   Syn: To change; turn; transmute; appropriate.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

converted \converted\ adj.
   spiritually reborn or converted; as, a converted sinner.

   Syn: born-again, reborn.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

converted
    adj 1: spiritually reborn or converted; "a born-again Christian"
           [syn: born-again, converted, reborn]

Moby Thesaurus II by Grady Ward, 1.0:

64 Moby Thesaurus words for "converted":
   Lethean, absentminded, advanced, altered, ameliorated, amnestic,
   assimilated, beautified, better, bettered, blocked, born again,
   changeable, changed, circumcised, civilized, cultivated, cultured,
   degenerate, developed, deviant, divergent, educated, embellished,
   enhanced, enriched, forgetful, forgetting, heedless, improved,
   inclined to forget, justified, metamorphosed, metastasized,
   modified, mutant, naturalized, oblivious, perfected, polished,
   qualified, reborn, rebuilt, redeemed, refined, reformed,
   regenerate, regenerated, renewed, repressed, revived,
   revolutionary, sanctified, saved, spiritually purified, subversive,
   suppressed, transfigured, transformed, translated, transmuted,
   unmindful, unmitigated, worse