pacesetter
Noun
Meaning
a horse used to set the pace in racing
a leading instance in its field
Source: WordNetSynonyms
pacer
pacemaker
conductor
guide
leader
chief
favorite
predecessor
boss
pioneer
flagship
avant-garde
reformer
forerunner
innovator
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Antonyms
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Examples
the new policy will be a pacesetter in community relations
World 800 meters champion Donavan Brazier outran even the pacesetter as he romped to victory in the 600m at the Boston Indoor Grand Prix on Saturday.
Tymal Chrome earned his second Grassroots win with a gritty first-over trip, reeling in pacesetter Daylon Midnight and advancing down the stretch to a one length victory in 2:04.4.