There are several synonyms for the phrase "making necessary." One common synonym is "compelling," which implies a strong need or urge to take a certain action. Another option is "enforcing," which conveys the idea of making something happen through active imposition or regulation. "Requiring" is another possibility, suggesting that certain conditions or actions must be met in order to achieve a desired result. Other synonyms for "making necessary" include "obligatory," "mandating," "inculcating," and "forcing." Ultimately, the choice of wording will depend on the specific context and tone of the message being conveyed.