"Call the shots" is a popular phrase that means to be in charge or have control over a situation. However, there are many synonyms for this phrase, each with their own nuances. For example, you could say "have the final say" or "make the decisions," both of which convey a sense of authority. Alternatively, you could use "dictate terms," which suggests a more forceful and demanding approach. Other synonyms include "set the agenda," "rule the roost," "hold the reins," and "run the show." Ultimately, which synonym you choose will depend on the context and tone you want to convey.