'Fully' in the Bible

When the day of Pentecost had come, they were all together in one place,

And when He had removed him, He raised up David to be their king: of him He testified and said, ‘I have found David the son of Jesse, a man after My own heart [conforming to My will and purposes], who will do all My will.’

he said, “I will hear your case when your accusers have arrived,” giving orders that Paul be kept under guard in Herod’s Praetorium (the governor’s official residence).

But Felix, having a rather accurate understanding about the Way, put them off, saying, “When Lysias the commander comes down, I will decide your case.”

especially because you are an expert [fully knowledgeable, experienced and unusually conversant] in all the Jewish customs and controversial issues; therefore, I beg you to listen to me patiently.

When they had set a day for Paul, they came to his lodging in large numbers. And he carefully explained [Christianity] to them from morning until evening, solemnly testifying about the kingdom of God and trying to persuade them concerning Jesus, both from the Law of Moses and from the [writings of the] Prophets.