Fore-warned is a phrase that means to be given advance notice or caution about a potential danger or problem. There are several synonyms for fore-warned that you can use in different situations. The first synonym is premonition, which describes a feeling or sense of impending danger without any specific details. Another synonym is foretaste, which means to have a preview of something before it occurs. A third synonym is heads-up, which implies a brief and casual warning about something that might happen. Last but not least, the phrase foreknowledge can also be used as a synonym for fore-warned, which describes understanding or knowledge about a future event before it occurs.