'Disputing' in the Bible

and there arose certain of those of the synagogue, called of the Libertines, and Cyrenians, and Alexandrians, and of those from Cilicia, and Asia, disputing with Stephen,

and speaking boldly in the name of the Lord Jesus, he was both speaking and disputing with the Hellenists, and they were taking in hand to kill him,

and there having been much disputing, Peter having risen up said unto them, 'Men, brethren, ye know that from former days, God among us did make choice, through my mouth, for the nations to hear the word of the good news, and to believe;