The phrase "play for" has a variety of synonyms that can be used in different contexts. One common synonym is "perform," especially when referring to musicians or actors. "Represent" is another synonym that works well in team sports or competitions, where an individual or group is playing on behalf of a particular organization or country. "Contend" or "compete" can also be used to describe playing for a win or against another team or player. In social contexts, "participate" or "engage" can be used to describe playing for fun or enjoyment. Overall, there are many different synonyms for "play for," depending on the specific context or purpose of the activity.