KJV: And it came to pass in Iconium, that they went both together into the synagogue of the Jews, and so spake, that a great multitude both of the Jews and also of the Greeks believed.
NASB: In Iconium they entered the synagogue of the Jews together, and spoke in such a manner that a large number of people believed, both of Jews and of Greeks.
KJV: Therefore disputed he in the synagogue with the Jews, and with the devout persons, and in the market daily with them that met with him.
NASB: So he was reasoning in the synagogue with the Jews and the God-fearing Gentiles, and in the market place every day with those who happened to be present.
KJV: And he began to speak boldly in the synagogue: whom when Aquila and Priscilla had heard, they took him unto them, and expounded unto him the way of God more perfectly.
NASB: and he began to speak out boldly in the synagogue. But when Priscilla and Aquila heard him, they took him aside and explained to him the way of God more accurately.
KJV: And he went into the synagogue, and spake boldly for the space of three months, disputing and persuading the things concerning the kingdom of God.
NASB: And he entered the synagogue and continued speaking out boldly for three months, reasoning and persuading them about the kingdom of God.