Adjective gnōstos (known) in the Gospels-Acts

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

Luke

2: 44Assuming that he was in the group of travelers, they went a day's journey. Then they started to look for him among their relatives and [people] known (gnōstos) [to them].
23: 49But all the [people] known (gnōstos) [to him], including the women who had followed him from Galilee, stood at a distance, watching these things.

John

18: 15Simon Peter and another disciple followed Jesus. Since that disciple was known (gnōstos) to the high priest, he went with Jesus into the courtyard of the high priest,
18: 16but Peter was standing outside at the gate. So the other disciple, who was known (gnōstos) to the high priest, went out, spoke to the woman who guarded the gate, and brought Peter in.

Acts

1: 19This became known (gnōstos) to all the residents of Jerusalem, so that the field was called in their language Hakeldama, that is, Field of Blood.)
2: 14But Peter, standing with the eleven, raised his voice and addressed them, "Men of Judea and all who live in Jerusalem, let this be known (gnōstos) to you, and listen to what I say.
4: 10let it be known (gnōstos) to all of you, and to all the people of Israel, that this man is standing before you in good health by the name of Jesus Christ of Nazareth, whom you crucified, whom God raised from the dead.
4: 16They said, "What will we do with them? For it is obvious to all who live in Jerusalem that a known (gnōstos) sign has been done through them; we cannot deny it.
9: 42This became known (gnōstos) throughout Joppa, and many believed in the Lord.
13: 38Let it be known (gnōstos) to you therefore, my brothers, that through this man forgiveness of sins is proclaimed to you;
15: 18known (gnōstos) from long ago.'
19: 17When this became known (gnōstos) to all residents of Ephesus, both Jews and Greeks, everyone was awestruck; and the name of the Lord Jesus was praised.
26: 3because being known (gnōstos) to you all the customs and controversies of the Jews; therefore I beg of you to listen to me patiently.
28: 22But we would like to hear from you what you think, for with regard to this sect it is known (gnōstos) to us that everywhere it is spoken against."
28: 28Let it be known (gnōstos) to you then that this salvation of God has been sent to the Gentiles; they will listen."