Adjective (venerable, Augustus) in the Gospels-Acts

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

Acts

25: 21

But when Paul had appealed to be kept in custody for the decision of Augustus (Sebastos), I ordered him to be held until I could send him to the emperor."

25: 25

But I found that he had done nothing deserving death; and when he appealed to Augustus (Sebastos), I decided to send him.

27: 1

When it was decided that we were to sail for Italy, they transferred Paul and some other prisoners to a centurion of the Augustan (Sebastos) Cohort, named Julius.