From G4802; mutual {questioning} that {is} discussion: - disputation ({-ting}) reasoning.
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Mar 1:27And they were all amazed, insomuch that they questionedG4802 among themselves, saying, What thing is this? what new doctrine is this? for with authority commandeth he even the unclean spirits, and they do obey him.
Mar 12:28¶ And one of the scribes came, and having heard them reasoning togetherG4802, and perceiving that he had answered them well, asked him, Which is the first commandment of all?
Act 6:9¶ Then there arose certain of the synagogue, which is called the synagogue of the Libertines, and Cyrenians, and Alexandrians, and of them of Cilicia and of Asia, disputingG4802 with Stephen.