Verb ekplēssō (to be astounded) in the Gospels-Acts

(Translation from NRSV with a few modifications for a more literal meaning)

Matthew

7: 28Now when Jesus had finished saying these things, the crowds were astounded (ekplēssō) at his teaching,
13: 54He came to his hometown and began to teach the people in their synagogue, so that they were astounded (ekplēssō) and said, "Where did this man get this wisdom and these deeds of power?
19: 25When the disciples heard this, they were greatly astounded (ekplēssō) and said, "Then who can be saved?"
22: 33And when the crowd heard it, they were astounded (ekplēssō) at his teaching.

Mark

1: 22They were astounded (ekplēssō) at his teaching, for he taught them as one having authority, and not as the scribes.
6: 2On the sabbath he began to teach in the synagogue, and many who heard him were astounded (ekplēssō). They said, "Where did this man get all this? What is this wisdom that has been given to him? What deeds of power are being done by his hands!
7: 37They were astounded (ekplēssō) beyond measure, saying, "He has done everything well; he even makes the deaf to hear and the mute to speak."
10: 26They were greatly astounded (ekplēssō) and said to one another, "Then who can be saved?"
11: 18And when the chief priests and the scribes heard it, they kept looking for a way to kill him; for they were afraid of him, because the whole crowd was astounded (ekplēssō) by his teaching.

Luke

2: 48When his parents saw him they were astounded (ekplēssō); and his mother said to him, "Child, why have you treated us like this? Look, your father and I have been searching for you in great anxiety."
4: 32They were astounded (ekplēssō) at his teaching, because he spoke with authority.
9: 43And all were astounded (ekplēssō) at the greatness of God. While everyone was amazed at all that he was doing, he said to his disciples,

Acts

13: 12When the proconsul saw what had happened, he believed, for he was astounded (ekplēssō) at the teaching about the Lord.