The term "descension" is a noun which refers to the act of moving downwards or descending. There are various synonyms for this word that can help enrich one's vocabulary. Some of these synonyms include decline, drop, descent, downgrade, fall, sloping, and dipping. Each of these synonyms represents a slightly different shade of meaning in relation to the concept of downward movement. For example, "decline" implies a gradual decrease in intensity or quality, while "drop" suggests a sudden fall or plummet. Using synonyms for a particular word can help you express yourself more effectively and paint a richer picture with your words.