0 a person, company, etc. that has an influence on what will become fashionable, or considered to be of good quality -- 时髦风尚的首创者;开创时髦风尚的事物
Peel was a tastemaker who introduced at least four generations of listeners to sounds outside the mainstream.
They have found success by linking with a powerhouse like Starbucks, considered a tastemaker with consumers in areas other than coffee.
A content creation organization such as the Times is a tastemaker. It's not only creating content, but it's also telling us what content we should be paying attention to.