When it comes to describing how someone behaves or conducts themselves, there are various synonyms for "acts with." Some options to consider include, but are not limited to, "behaves with," "conducts themselves with," "operates with," "carries themselves with," "moves with," "reacts with," "interacts with," "engages with," and "responds with." Each of these synonyms offers a slightly different nuance to the phrase "acts with," whether it's highlighting a sense of professionalism, personal demeanor, or response style. Experimenting with different synonyms can help writers find the perfect phrasing to best capture the qualities of the person they are describing.