Re-hashing is the act of revisiting or retelling something that has already been discussed or done before. Some antonyms for re-hashing include innovation, fresh perspective, and originality. Innovation refers to coming up with something new and different, while a fresh perspective focuses on looking at things from a different angle, often leading to creating new ideas. Originality involves creating something that is entirely new and not based on previously established ideas. Another antonym for re-hashing is progress, which pertains to moving forward and making advancements or improvements. In conclusion, to avoid re-hashing, one must strive to be innovative, original, have a fresh perspective, and aim for progress.