The word "re-presentation" refers to the act of presenting or representing something again. Antonyms for this term are words that convey the opposite meaning. One such word is "dismissal," which means to reject or discharge. Another antonym is "omission," which means to leave something out or exclude. "Suppression" is also an antonym for "re-presentation," as it implies the act of concealing or hiding something. Conversely, "novelty" and "originality" are opposing words that suggest unique, new or creative ideas. Finally, "absence" and "nonexistence" can also be considered antonyms for "re-presentation," as they indicate the lack of presentation or representation.