The term "gold standard" is often used to describe a benchmark or criterion that is considered to be the best or most reliable. However, there are several other phrases and words that can be used to convey this meaning. Some synonyms for "gold standard" include "model," "prototype," "paragon," "template," and "exemplar." These terms all suggest a high level of excellence or quality, and imply that the benchmark being followed is the best possible option. Other phrases that can be used to express similar ideas include "best practice," "standard bearer," and "yardstick." Ultimately, the choice of words will depend on the context in which they are being used and the intended audience.