necessitate
verb (used with object)
to make necessary or unavoidable.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In one, the danger is casual; in the other, it is necessitating.
From The Mirror of Literature, Amusement, and Instruction Volume 20, No. 581, December 15, 1832 by Various