Able to recognize or make fine distinctions. The discriminative taste of the wine connoisseur allowed him to identify the region of origin with just one sip.
Serving to distinguish or differentiate. The discriminative features of the new smartphone model include its advanced camera and unique design.
In machine learning and statistics, modeling or characterizing the conditional probability of a target variable given input features. Logistic regression is a discriminative model because it learns P(y|x) directly.