exhortation 1256 - dialegomai {dee-al-eg'-om-ahee}; middle voice from 1223 and 3004; to say thoroughly, i.e. discuss (in argument or {exhortation}): -- dispute, preach (unto), reason (with), speak.
exhortation 3143 - marturomai {mar-too'-rom-ahee}; middle voice from 3144; to be adduced as a witness, i.e. (figuratively) to obtest (in affirmation or {exhortation}): -- take to record, testify.