Verses with the word reasoning in the New Testament (4 verses):

Mark 2:6
But there was certain of the scribes sitting there, and reasoning in their hearts,

Mark 12:28
And one of the scribes came, and having heard them reasoning together, and perceiving that he had answered them well, asked him, Which is the first commandment of all?

Luke 9:46
Then there arose a reasoning among them, which of them should be greatest.

Acts 28:29
And when he had said these words, the Jews departed, and had great reasoning among themselves.