Source : Webster's Revised Unabridged Dictionary (1913)

Discursive \Dis*cur"sive\, a. [Cf. F. discursif. See
   {Discourse}, and cf. {Discoursive}.]
   1. Passing from one thing to another; ranging over a wide
      field; roving; digressive; desultory. ``Discursive
      notices.'' --De Quincey.

            The power he [Shakespeare] delights to show is not
            intense, but discursive.              --Hazlitt.

            A man rather tacit than discursive.   --Carlyle.

   2. Reasoning; proceeding from one ground to another, as in
      reasoning; argumentative.

            Reason is her being, Discursive or intuitive.
                                                  --Milton.
      -- {Dis*cur"sive*ly}, adv. -- {Dis*cur"sive*ness}, n.

Source : WordNet®

discursive
     adj 1: proceeding to a conclusion by reason or argument rather than
            intuition [syn: {dianoetic}]
     2: (of e.g. speech and writing) tending to depart from the main
        point or cover a wide range of subjects; "amusingly
        digressive with satirical thrusts at women's fashions
        among other things"; "a rambling discursive book"; "his
        excursive remarks"; "a rambling speech about this and
        that" [syn: {digressive}, {excursive}, {rambling}]