necessitative

WordReference Random House Learner's Dictionary of American English © 2025

ne•ces•si•tate /nəˈsɛsɪˌteɪt/   v., -tat•ed, -tat•ing. 

1. to make necessary: [~ + object]
   These comments don't necessitate a response.
   [~ + verb-ing]
   The extra guests necessitated our taking two cars.

WordReference Random House Unabridged Dictionary of American English © 2025

ne•ces•si•tate  (nə ses′i tāt′), v.t., -tat•ed, -tat•ing. 

1. to make necessary or unavoidable:
   The breakdown of the car necessitated a change in our plans.
2. to compel, oblige, or force:
   The new wage demand will necessitate a price increase.

• Medieval Latin necessitātus, past participle of necessitāre to compel, constrain. See necessity, -ate¹
• 1620–30

ne•ces′si•ta′tion, n. 
ne•ces′si•ta′tive, adj.