Verbe theōreō (to observe, to see) in the New Testament

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

Matthew

27: 55Many women were also there, observing (theōreō) from a distance; they had followed Jesus from Galilee and had provided for him.
28: 1After the sabbath, as the first day of the week was dawning, Mary Magdalene and the other Mary went to observe (theōreō) the tomb.

Mark

3: 11Whenever the unclean spirits observed (theōreō) him, they fell down before him and shouted, "You are the Son of God!"
5: 15They came to Jesus and observed (theōreō) the demoniac sitting there, clothed and in his right mind, the very man who had had the legion; and they were afraid.
5: 38When they came to the house of the leader of the synagogue, he observed (theōreō) a commotion, people weeping and wailing loudly.
12: 41He sat down opposite the treasury, and observed (theōreō) the crowd putting money into the treasury. Many rich people put in large sums.
15: 40There were also women observing (theōreō) from a distance; among them were Mary Magdalene, and Mary the mother of James the younger and of Joses, and Salome.
15: 47Mary Magdalene and Mary the mother of Joses observed (theōreō) where the body was laid.
16: 4When they looked up, they observed (theōreō) that the stone, which was very large, had already been rolled back.

Luke

10: 18He said to them, "I observed (theōreō) Satan fall from heaven like a flash of lightning.
14: 29Otherwise, when he has laid a foundation and is not able to finish, all who observe (theōreō) it will begin to ridicule him,
21: 6"As for these things that you observe (theōreō), the days will come when not one stone will be left upon another; all will be thrown down."
23: 35And the people stood by, observing (theōreō); but the leaders scoffed at him, saying, "He saved others; let him save himself if he is the Messiah of God, his chosen one!"
23: 48And when all the crowds who had gathered there for this spectacle observe (theōreō) what had taken place, they returned home, beating their breasts.
24: 37They were startled and terrified, and thought that they were observing (theōreō) a ghost.
24: 39Look at my hands and my feet; see that it is I myself. Touch me and see; for a ghost does not have flesh and bones as you observed (theōreō) that I have."

John

2: 23When he was in Jerusalem during the Passover festival, many believed in his name because they observe (theōreō) the signs that he was doing.
4: 19The woman said to him, "Sir, I observe (theōreō) that you are a prophet.
6: 2A large crowd kept following him, because they observed (theōreō) the signs that he was doing for the sick.
6: 19When they had rowed about three or four miles, they observed (theōreō) Jesus walking on the sea and coming near the boat, and they were terrified.
6: 40This is indeed the will of my Father, that all who observe (theōreō) the Son and believe in him may have eternal life; and I will raise them up on the last day."
6: 62Then what if you were to observe (theōreō) the Son of Man ascending to where he was before?
7: 3So his brothers said to him, "Leave here and go to Judea so that your disciples also may observe (theōreō) the works you are doing;
8: 51Very truly, I tell you, whoever keeps my word will never see (theōreō) death."
9: 8The neighbors and those who had observed (theōreō) him before as a beggar began to ask, "Is this not the man who used to sit and beg?"
10: 12The hired hand, who is not the shepherd and does not own the sheep, observes (theōreō) the wolf coming and leaves the sheep and runs away - and the wolf snatches them and scatters them.
12: 19The Pharisees then said to one another, "You observe (theōreō), you can do nothing. Look, the world has gone after him!"
12: 45And whoever observes (theōreō) me observes (theōreō) him who sent me.
14: 17This is the Spirit of truth, whom the world cannot receive, because it neither observes (theōreō) him nor knows him. You know him, because he abides with you, and he will be in you.
14: 19In a little while the world will no longer observe (theōreō) me, but you will observe (theōreō) me; because I live, you also will live.
16: 10about righteousness, because I am going to the Father and you will observe (theōreō) me no longer;
16: 16"A little while, and you will no longer observe (theōreō) me, and again a little while, and you will see me."
16: 17Then some of his disciples said to one another, "What does he mean by saying to us, 'A little while, and you will no longer observe (theōreō) me, and again a little while, and you will see me'; and 'Because I am going to the Father'?"
16: 19Jesus knew that they wanted to ask him, so he said to them, "Are you discussing among yourselves what I meant when I said, 'A little while, and you will no longer observe (theōreō) me, and again a little while, and you will see me'?
17: 24Father, I desire that those also, whom you have given me, may be with me where I am, to observe (theōreō) my glory, which you have given me because you loved me before the foundation of the world.
20: 6Then Simon Peter came, following him, and went into the tomb. He observed (theōreō) the linen wrappings lying there,
20: 12and she observed (theōreō) two angels in white, sitting where the body of Jesus had been lying, one at the head and the other at the feet.
20: 14When she had said this, she turned around and observed (theōreō) Jesus standing there, but she did not know that it was Jesus.

Acts

3: 16And by faith in his name, his name itself has made this man strong, whom you observe (theōreō) and know; and the faith that is through Jesus has given him this perfect health in the presence of all of you.
4: 13Now when they observe (theōreō) the boldness of Peter and John and realized that they were uneducated and ordinary men, they were amazed and recognized them as companions of Jesus.
7: 56"Look," he said, "I observe (theōreō) the heavens opened and the Son of Man standing at the right hand of God!"
8: 13Even Simon himself believed. After being baptized, he stayed constantly with Philip and was amazed when he observed (theōreō) the signs and great miracles that took place.
9: 7The men who were traveling with him stood speechless because they heard the voice but observed (theōreō) no one.
10: 11He observed (theōreō) the heaven opened and something like a large sheet coming down, being lowered to the ground by its four corners.
17: 16While Paul was waiting for them in Athens, he was deeply distressed to observe (theōreō) that the city was full of idols.
17: 22Then Paul stood in front of the Areopagus and said, "Athenians, I observe (theōreō) how extremely religious you are in every way.
19: 26You also observe (theōreō) and hear that not only in Ephesus but in almost the whole of Asia this Paul has persuaded and drawn away a considerable number of people by saying that gods made with hands are not gods.
20: 38grieving especially because of what he had said, that they would not observe (theōreō) him again. Then they brought him to the ship.
21: 20When they heard it, they praised God. Then they said to him, "You observe (theōreō), brother, how many thousands of believers there are among the Jews, and they are all zealous for the law.
25: 24And Festus said, "King Agrippa and all here present with us, you observe (theōreō) this man about whom the whole Jewish community petitioned me, both in Jerusalem and here, shouting that he ought not to live any longer.
27: 10saying, "Sirs, I can observe (theōreō) that the voyage will be with danger and much heavy loss, not only of the cargo and the ship, but also of our lives."
28: 6They were expecting him to swell up or drop dead, but after they had waited a long time and observed (theōreō) that nothing unusual had happened to him, they changed their minds and began to say that he was a god.

1 John

3: 17How does God's love abide in anyone who has the world's goods and observes (theōreō) a brother or sister in need and yet refuses help?

Hebrews

7: 4Observe (theōreō) how great he is! Even Abraham the patriarch gave him a tenth of the spoils.

Revelation

11: 11But after the three and a half days, the breath of life from God entered them, and they stood on their feet, and those who observed (theōreō) them were terrified.
11: 12Then they heard a loud voice from heaven saying to them, "Come up here!" And they went up to heaven in a cloud while their enemies observed (theōreō) them.