The antonym for "fore-tell" is "retrospect." While "fore-tell" means predicting or knowing something that is going to happen in the future, "retrospect" means looking back at something that has already happened. The two words are complete opposites, as one talks about future events, while the other focuses on past events. Another antonym for "fore-tell" is "surprise," as it means to come across something unexpected. It is the opposite of knowing an event in advance, as it catches a person off guard. In conclusion, "retrospect" and "surprise" are great antonyms for "fore-tell," as they bring out the opposite meaning.