Interventional

Interventional: Pertaining to the act of intervening, interfering or interceding with the intent of modifying the outcome. As, for example, an interventional radiologist.
Found on http://www.medterms.com/script/main/art.asp?articlekey=34215

interventional

intervention, interventional 1. An action undertaken in order to change what is happening or might happen in another`s affairs; especially, in order to prevent something undesirable. 2. The action of intervening, stepping in, or interfering in any affair, so as to affect its course or issue. Now frequently applied to the interference of a state or ...
Found on http://www.wordinfo.info/words/index/info/view_unit/1076/14
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