Accrescendo is a musical term that refers to a gradual increase in volume or intensity of a musical passage. There are several synonyms that can be used in place of accrescendo. Crescendo is a commonly used term that has the same meaning as accrescendo. Other synonyms include build-up, upswing, escalation, intensification, and amplification. Depending on the context, some other words that can be used in place of accrescendo are augmentation, elevation, and enhancement. Regardless of the synonym used, all of these terms convey the gradual and deliberate increase in volume or intensity, creating a sense of building excitement and anticipation in the music.