"Scales back" is a common phrase used to indicate reducing or decreasing something. However, there are several synonyms for this phrase that can add variety and precision to our communication. For example, we could use "trim down" to suggest a gradual but intentional streamlining of something, or "curtail" to indicate a more sudden or severe reduction. "Cutback" is also a useful synonym that hints at the need for frugality or economy, while "downsize" implies a reduction in the size or scope of something. Whichever synonym we choose to use, we can convey our intended meaning with greater nuance and clarity.