variants:
or less commonly trend-setter
plural trendsetters also trend-setters
Definition of trendsetter
: one that sets a trend : someone or something that starts or helps to popularize a new fashion, style, movement, etc.
a trendsetter in the fashion industry Every ten years or so, for a different set of reasons each time, cultural trendsetters rally behind one musician with whom they sense a bond and who then comes to symbolize jazz to the mass media.— Francis Davis The county has become a trendsetter in other types of environmental legislation … — Chemical & Engineering News
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Merriam-Webster unabridged
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Time Traveler for trendsetter
The first known use of trendsetter was in 1936
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