To describe a person who has won a gold medal, there are many synonyms that can be used instead of the term "gold medalist". Some of these include "champion", "winner", "first-place finisher", "victor", "top athlete", and "medalist". Other words that can be used to describe someone who has achieved the highest level of success in a competition or event include "triumph", "conqueror", "successful", and "accomplished". Whether you are writing about an individual athlete or an entire team, using these synonyms can help you create a more dynamic and engaging piece of writing.