A sentencer is a person who imposes a sentence or gives a verdict in a legal case. There are several synonyms for the word "sentencer" such as judge, magistrate, arbiter, adjudicator, and jurist. A judge is a person who presides over a court of law, while a magistrate is a lower level judicial officer who deals with minor offenses. An arbiter is a person who has the authority to settle disputes, while an adjudicator is a person who is appointed to make a judgement in a particular case. A jurist is a person who is an expert in law or legal theory. Whether you are writing a legal article or a fiction, these synonyms can help you add variety to your vocabulary.