interˈventionaladj. of or pertaining to intervention.
ΘΚΠ
the world > action or operation > doing > activity or occupation > acting in another's business or intervention > [adjective]
interventional1829
interventive1890
1829 J. BenthamJustice & Codification Petitionsiv. 61 Under every system, appeal is for cause assigned, namely..mis-decision, either ultimate or interlocutory, or say interventional.