The phrase "put the soft pedal" is often used to imply a lessened intensity or a toned-down approach. There are numerous synonyms that one can use to express the same sentiment. "Take it easy" or "calm down" are common replacements for the phrase. Alternatively, "go easy on it" or "dial it back" both work well in situations where someone may be doing too much or speaking too loudly. "Lower the volume" or "take a step back" are also options for conveying a need to reduce the intensity of a situation. Ultimately, the most effective synonym depends on the context of the situation and the desired tone of the communication.