The phrase "cooperated with" can be replaced with a variety of synonyms that fit the context of the sentence. Some common alternatives include "collaborated with," "worked alongside," "partnered with," "assisted with," "aided in," "contributed to," "played a role in," "supported with," and "teamed up with." Each of these phrases conveys a similar meaning to "cooperated with" and can be used interchangeably depending on the desired tone and emphasis of the sentence. Whether expressing an act of teamwork, assistance, or contribution, it's important to choose a synonym that accurately reflects the nature of the collaboration.