Crescendoing is a music term that means to gradually increase in volume or intensity. There are many synonyms for this term that can be used in different contexts. Some of the common synonyms for crescendoing are intensifying, building up, rising, amplifying, and developing. These words can be used in various situations, not just in music contexts. For example, you can say that the tension is intensifying between two people, or the waves are building up on the beach. Similarly, rising can describe an increase in temperature or popularity, while amplifying can refer to increasing the strength of a signal or sound. Ultimately, these synonyms offer a range of options to express the idea of gradual escalation.