The phrase "catbird seat" is an idiom that means being in a position of advantage. There are many other synonyms that have similar meanings to the phrase "catbird seat." A few examples of these include "upper hand," "winning position," "advantageous spot," "privileged position," and "commanding lead." Each of these synonyms describes a state in which someone has a strategic, advantageous position over others. Whether in sports, business, or life, being in the "catbird seat" is a desirable place to be, and these synonyms can help to convey that same concept in a variety of contexts and situations.