Use 'necessitate' to indicate a situation has caused another action or condition to become necessary. The new regulations necessitated a revision of our training program.
Pro Tip 2/3
Formal Context
'Necessitate' is more commonly used in formal or official situations and documents. The data breach necessitated a review of our security protocols.
Pro Tip 3/3
Not Personal
It's mostly used for impersonal subjects, not to describe personal needs or wants. The system failure necessitated an immediate upgrade.