From Longman Dictionary of Contemporary Englishsetterset‧ter /ˈsetə $ -ər/ noun [countable] 1 HBAa long-haired dog often trained to help hunters find where animals or birds are2 → style-setter/trend-setter/standard-setter etc3 → exam-setter/policy-setter etc → set the pattern/tone/trend at set1(5), pacesetter, trendsetter
Examples from the Corpus
setter• It featured familiar breeds such as pointers, setters, and spaniels.• And they are drawing on their own experience as past lawmakers and policy setters. 