Nullify (a veto) (8)
I believe the answer is:
override
(Other definitions for override that I've seen before include "Countermand" , "Counteract the normal operation" , "Disregard" , "Take manual control" , "Cancel by higher authority" .)
I believe the answer is:
override
(Other definitions for override that I've seen before include "Countermand" , "Counteract the normal operation" , "Disregard" , "Take manual control" , "Cancel by higher authority" .)