The Collaborative International Dictionary of English v.0.48:

Conduct \Con*duct"\ (k[o^]n*d[u^]kt"), v. t. [imp. & p. p.
   Conducted; p. pr. & vb. n. Conducting.] [See Conduct,
   n.]
   1. To lead, or guide; to escort; to attend.
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            I can conduct you, lady, to a low
            But loyal cottage, where you may be safe. --Milton.
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   2. To lead, as a commander; to direct; to manage; to carry
      on; as, to conduct the affairs of a kingdom.
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            Little skilled in the art of conducting a siege.
                                                  --Prescott.
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   3. To behave; -- with the reflexive; as, he conducted himself
      well.
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   4. (Physics) To serve as a medium for conveying; to transmit,
      as heat, light, electricity, etc.
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   5. (Mus.) To direct, as the leader in the performance of a
      musical composition.
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The Collaborative International Dictionary of English v.0.48:

Conduct \Con"duct\ (k[o^]n"d[u^]kt), n. [LL. conductus defense,
   escort, fr. L. conductus, p. p. of conducere. See Conduce,
   and cf. Conduit.]
   1. The act or method of conducting; guidance; management.
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            Christianity has humanized the conduct of war.
                                                  --Paley.
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            The conduct of the state, the administration of its
            affairs.                              --Ld.
                                                  Brougham.
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   2. Skillful guidance or management; generalship.
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            Conduct of armies is a prince's art.  --Waller.
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            Attacked the Spaniards . . . with great impetuosity,
            but with so little conduct, that his forces were
            totally routed.                       --Robertson.
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   3. Convoy; escort; guard; guide. [Archaic]
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            I will be your conduct.               --B. Jonson.
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            In my conduct shall your ladies come. --Shak.
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   4. That which carries or conveys anything; a channel; a
      conduit; an instrument. [Obs.]
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            Although thou hast been conduct of my shame. --Shak.
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   5. The manner of guiding or carrying one's self; personal
      deportment; mode of action; behavior.
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            All these difficulties were increased by the conduct
            of Shrewsbury.                        --Macaulay.
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            What in the conduct of our life appears
            So well designed, so luckily begun,
            But when we have our wish, we wish undone? --Dryden.
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   6. Plot; action; construction; manner of development.
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            The book of Job, in conduct and diction. --Macaulay.
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   Conduct money (Naut.), a portion of a seaman's wages
      retained till the end of his engagement, and paid over
      only if his conduct has been satisfactory.

   Syn: Behavior; carriage; deportment; demeanor; bearing;
        management; guidance. See Behavior.
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The Collaborative International Dictionary of English v.0.48:

Conduct \Con*duct"\, v. i.
   1. To act as a conductor (as of heat, electricity, etc.); to
      carry.
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   2. To conduct one's self; to behave. [U. S.]
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WordNet (r) 3.0 (2006):

conduct
    n 1: manner of acting or controlling yourself [syn: behavior,
         behaviour, conduct, doings]
    2: (behavioral attributes) the way a person behaves toward other
       people [syn: demeanor, demeanour, behavior,
       behaviour, conduct, deportment]
    v 1: direct the course of; manage or control; "You cannot
         conduct business like this" [syn: conduct, carry on,
         deal]
    2: lead, as in the performance of a composition; "conduct an
       orchestra; Barenboim conducted the Chicago symphony for
       years" [syn: conduct, lead, direct]
    3: behave in a certain manner; "She carried herself well"; "he
       bore himself with dignity"; "They conducted themselves well
       during these difficult times" [syn: behave, acquit,
       bear, deport, conduct, comport, carry]
    4: take somebody somewhere; "We lead him to our chief"; "can you
       take me to the main entrance?"; "He conducted us to the
       palace" [syn: lead, take, direct, conduct, guide]
    5: transmit or serve as the medium for transmission; "Sound
       carries well over water"; "The airwaves carry the sound";
       "Many metals conduct heat" [syn: impart, conduct,
       transmit, convey, carry, channel]
    6: lead musicians in the performance of; "Bernstein conducted
       Mahler like no other conductor"; "she cannot conduct modern
       pieces"