"Wearing the pants" is a term often used to describe the person who holds authority and makes the important decisions in a relationship, family or group. However, there are various other synonyms that can be used to describe this individual. One can use terms like "the head honcho", "the boss", "the decision-maker", "the leader", "the controller", "the dominant member", "the mastermind", "the chief", "the captain of the ship" and "the person in charge". Each of these synonyms implies that the person has control, authority and a commanding influence over the others in the group, making decisions and taking actions that affect them all.