There are several synonyms for the phrase "score settle". One of the most common is "get even", which implies that one person is seeking revenge against another for a perceived wrongdoing. Another synonym is "payback", which suggests that the person seeking to settle a score has been wronged and is seeking restitution. "Retaliation" is another synonym, which implies a more forceful response to an offense, often involving physical or emotional harm. "Revenge" is another synonym, which implies a desire for satisfaction at any cost. Other synonyms for "score settle" might include "vindication", "reciprocity", or "balancing the scales". Regardless of the specific phrase used, the goal of "score settling" is to restore a sense of justice and fairness to a situation.