Definition of necessitate verb from the Oxford Advanced American Dictionary

 

necessitate

 verb
verb
NAmE//nəˈsɛsəˌteɪt//
 
(formal)Verb Forms present simple I / you / we / they necessitate
 
he / she / it necessitates
 
past simple necessitated
 
-ing form necessitating
 
 
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to make something necessary necessitate something Recent financial scandals have necessitated changes in agency procedures. necessitate doing something Increased traffic necessitated widening the road. necessitate somebody/something doing something His new job necessitated him/his getting up at six.
See the Oxford Advanced Learner's Dictionary entry: necessitate