discussive
/dɪˈskʌsɪv/adjective
1Of the nature of, relating to, or characterized by discussion or debate.
2Of or characterized by reasoned argument or thought.
Origin
Mid 16th century (in an earlier sense). Partly (i) from post-classical Latin discussivus that serves to rebut, that distinguishes from classical Latin discuss-, past participial stem of discutere + -īvus.