ne·ces·si·tate [ nə séssi tàyt ](past and past participlene·ces·si·tat·ed, present participlene·ces·si·tat·ing, 3rd person present singularne·ces·si·tates)
transitive and intransitive verb
Definition:
1. make something necessary: to make something necessary or inescapable a dry climate that necessitates water conservation
2. oblige somebody: to force or oblige somebody to do something
(
formal
)