Upcycling is the process of transforming old or discarded items into new products with a higher value or function than the original. If you're looking for other words to describe this process, consider terms like creative reuse, repurposing, and eco-friendly design. You could also use phrases like regenerative design, sustainable design, or circular economy. These synonyms all describe the process of reducing waste and creating new items from existing materials, ultimately helping the environment and reducing our impact on it. Whether you're creating a piece of furniture, a new garment, or a piece of art, upcycling and its synonyms can help capture the essence of this transformative and sustainable process.