ap·a·gog·ic \|apə|gäjik\adjective orap·a·gog·i·cal\-jėkəl\ : of, relating to, or involving an apagoge; especially: proceeding by the method of disproving the proposition that contradicts the one to be established • ap·a·gog·i·cal·ly\-jə̇k(ə)lē\adverb