The phrase "license to print money" refers to a situation where a company or individual has complete control over a particular industry, allowing them to generate vast amounts of wealth with little or no effort. While there are no direct synonyms for this phrase, there are several alternative expressions that convey a similar meaning. Some of these include "golden goose," "surefire cash cow," "money-making machine," and "guaranteed profit generator." Regardless of the terminology used, the idea remains the same: those who hold the power in a particular industry have the potential to generate huge profits with minimal effort.