Prevail on is a phrase that means to persuade or convince someone to do something they may not want to do. There are several synonyms for this phrase, such as "persuade," "coerce," "influence," "convince," "urge," "prompt," and "beg." While these words all have similar meanings, they each have their own subtleties and connotations. Persuade implies using logical reasoning, while coerce implies using force or threats. Influence suggests a gentle approach, while convince implies a stronger level of conviction. Urge and prompt suggest a more urgent appeal, while begging implies a desperate plea. In any case, the objective is to get someone to take a particular action or change their mind about something.