Discursive
WordNet
adjective
(1) (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"
(2) Proceeding to a conclusion by reason or argument rather than intuition