Berean Study Bible
He must hold firmly to the faithful word as it was taught, so that he can encourage others by sound teaching and refute those who contradict it.

King James Bible
Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.

American Standard Version
holding to the faithful word which is according to the teaching, that he may be able to exhort in the sound doctrine, and to convict the gainsayers.

Darby Bible Translation
clinging to the faithful word according to the doctrine taught, that he may be able both to encourage with sound teaching and refute gainsayers.

Douay-Rheims Bible
Embracing that faithful word which is according to doctrine, that he may be able to exhort in sound doctrine, and to convince the gainsayers.

English Revised Version
holding to the faithful word which is according to the teaching, that he may be able both to exhort in the sound doctrine, and to convict the gainsayers.

Young's Literal Translation
holding -- according to the teaching -- to the stedfast word, that he may be able also to exhort in the sound teaching, and the gainsayers to convict;