Refusion is a unique and rarely used term. However, there are several synonymous words that can adequately convey its meaning. One such term is "rejection", which signifies the act of turning down or refusing something. Additionally, the word "declination" can be used as a synonym for refusion, emphasizing the act of refusing or rejecting an offer or proposal. Another alternative is "denial", which refers to the act of refusing to grant or accept something. Similarly, "repudiation" serves as a synonym for refusion, encompassing the act of rejecting or disowning something. These synonymous words effectively capture the essence of refusion and can be used interchangeably depending on the desired context.