Transitivize is a verb that means to change an intransitive verb into a transitive verb. In the English language, there are several synonyms for this term. Some of these include "transitivify," "transitivise," and "transitivate." These words all essentially mean the same thing, and they can be used interchangeably in most situations. Other synonyms for transitivize include "activate," "cause to act," and "make transitive." These terms are all related to the concept of changing a verb so that it takes an object, but they each offer a slightly different perspective. Whether you use transitivize or one of its many synonyms, the meaning remains clear and consistent.