The phrase "making immortal" refers to the act of creating something that will last forever. There are many different synonyms for this phrase that can be used to add variety and depth to your writing. Some of these synonyms include immortalizing, perpetuating, commemorating, enshrining, preserving, eternizing, sanctifying, and glorifying. Each of these words carries a slightly different connotation and can be used in different contexts to emphasize different aspects of the act of making something immortal. Whether you are writing about art, literature, or any other subject, these synonyms can help you to express yourself more effectively and create a more engaging and memorable text.