Verb synkaleō (to call together) in the Gospels-Acts

(Translation from NRSV)

Mark

15: 16Then the soldiers led him into the courtyard of the palace (that is, the governor's headquarters); and they called together (synkaleō) the whole cohort.

Luke

9: 1Then Jesus called together (synkaleō) the twelve and gave them power and authority over all demons and to cure diseases,
15: 6And when he comes home, he calls together (synkaleō) his friends and neighbors, saying to them, 'Rejoice with me, for I have found my sheep that was lost.'
15: 9When she has found it, she calls together (synkaleō) her friends and neighbors, saying, 'Rejoice with me, for I have found the coin that I had lost.'
23: 13Pilate then called together (synkaleō) the chief priests, the leaders, and the people,

Acts

5: 21When they heard this, they entered the temple at daybreak and went on with their teaching. When the high priest and those with him arrived, they called together (synkaleō) the council and the whole body of the elders of Israel, and sent to the prison to have them brought.
10: 24The following day they came to Caesarea. Cornelius was expecting them and had called together (synkaleō) his relatives and close friends.
28: 17Three days later he called together (synkaleō) the local leaders of the Jews. When they had assembled, he said to them, "Brothers, though I had done nothing against our people or the customs of our ancestors, yet I was arrested in Jerusalem and handed over to the Romans.