Prevent through intimidation
I believe the answer is:
deter
'prevent through intimidation' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for deter that I've seen before include "'Discourage, dissuade (5)'" , "Daunt" , "Discourage, put off" , "Hinder, prevent" , "Frighten off; prevent" .)