Source : Webster's Revised Unabridged Dictionary (1913)

Disposition \Dis`po*si"tion\, n. [F. disposition, dispositio,
   fr. disponere to dispose; dis- + ponere to place. See
   {Position}, and cf. {Dispone}.]
   1. The act of disposing, arranging, ordering, regulating, or
      transferring; application; disposal; as, the disposition
      of a man's property by will.

            Who have received the law by the disposition of
            angels.                               --Acts vii.
                                                  53.

            The disposition of the work, to put all things in a
            beautiful order and harmony, that the whole may be
            of a piece.                           --Dryden.

   2. The state or the manner of being disposed or arranged;
      distribution; arrangement; order; as, the disposition of
      the trees in an orchard; the disposition of the several
      parts of an edifice.

   3. Tendency to any action or state resulting from natural
      constitution; nature; quality; as, a disposition in plants
      to grow in a direction upward; a disposition in bodies to
      putrefaction.

   4. Conscious inclination; propension or propensity.

            How stands your disposition to be married? --Shak.

   5. Natural or prevailing spirit, or temperament of mind,
      especially as shown in intercourse with one's fellow-men;
      temper of mind. ``A man of turbulent disposition.''
      --Hallam. ``He is of a very melancholy disposition.''
      --Shak.

            His disposition led him to do things agreeable to
            his quality and condition wherein God had placed
            him.                                  --Strype.

   6. Mood; humor.

            As I perchance hereafter shall think meet To put an
            antic disposition on.                 --Shak.

   Syn: Disposal; adjustment; regulation; arrangement;
        distribution; order; method; adaptation; inclination;
        propensity; bestowment; alienation; character; temper;
        mood. -- {Disposition}, {Character}, {Temper}.
        Disposition is the natural humor of a person, the
        predominating quality of his character, the
        constitutional habit of his mind. Character is this
        disposition influenced by motive, training, and will.
        Temper is a quality of the fiber of character, and is
        displayed chiefly when the emotions, especially the
        passions, are aroused.

Source : WordNet®

disposition
     n 1: your usual mood; "he has a happy disposition" [syn: {temperament}]
     2: the act or means of getting rid of something [syn: {disposal}]
     3: an attitude of mind especially one that favors one
        alternative over others; "he had an inclination to give up
        too easily"; "a tendency to be too strict" [syn: {inclination},
         {tendency}]
     4: a natural or acquired habit or characteristic tendency in a
        person or thing; "a swelling with a disposition to
        rupture"