Premonishes is a word used to describe the act of giving a warning or cautionary advice. However, there are several synonyms that can be used in its place such as admonish, reprimand, caution, warn, and advise. Admonish implies a severe or disciplinary warning, while reprimand connotes a more formal rebuke. Caution implies a more gentle or diplomatic approach to warning. Warn suggests an impending danger or serious consequence. Advise is a more general term that can suggest guidance or counseling. Depending on the context, any of these synonyms can be used interchangeably with premonish to convey a similar meaning of offering a warning or cautionary advice.