When referring to an action or situation that involves multiple individuals, the phrase "with one another" is commonly used. However, there are several synonyms that can also be used to convey the same meaning. These include "together," "jointly," "collectively," "simultaneously," "in unison," and "collaboratively." Each of these words can be utilized in different contexts to indicate a shared effort or interaction among individuals. It's essential to choose a synonym that best suits the situation and accurately reflects the intended meaning. In any case, using synonyms can add variety and nuance to language, making communication more effective and engaging.