Albert Barnes Commentary Acts 14:1

"And it came to pass in Iconium that they entered together into the synagogue of the Jews, and so spake that a great multitude both of Jews and of Greeks believed." — Acts 14:1 (ASV)

CHAPTER XIV

In Iconium. (See Barnes on Acts 13:51).

In this place it appears that Timothy became acquainted with Paul and his manner of life (2 Timothy 3:10–11).

So spoke. This means they spoke with such power—their preaching was so attended by the influence of the Spirit.

And also of the Greeks. These were probably proselytes from the Greeks, who were accustomed to attending the synagogue.