discursive

adjectives

proceeding to a conclusion by reason or argument rather than intuition

is derived from

(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"

digressive, discursive, excursive, rambling

is derived from

discursiveness