Berean Study Bible
Joab fell facedown in homage and blessed the king. “Today,” said Joab, “your servant knows that he has found favor with you, my lord the king, because the king has granted his request.”

King James Bible
And Joab fell to the ground on his face, and bowed himself, and thanked the king: and Joab said, To day thy servant knoweth that I have found grace in thy sight, my lord, O king, in that the king hath fulfilled the request of his servant.

American Standard Version
And Joab fell to the ground on his face, and did obeisance, and blessed the king: and Joab said, To-day thy servant knoweth that I have found favor in thy sight, my lord, O king, in that the king hath performed the request of his servant.

Darby Bible Translation
And Joab fell to the ground on his face and bowed himself, and blessed the king; and Joab said, To-day thy servant knows that I have found favour in thy sight, my lord, O king, in that the king has fulfilled the request of his servant.

Douay-Rheims Bible
And Joab falling down to the ground upon his face, adored, and blessed the king: and Joab said: This day thy servant hath understood, that I have found grace in thy sight, my lord, O king: for thou hast fulfilled the request of thy servant.

English Revised Version
And Joab fell to the ground on his face, and did obeisance, and blessed the king: end Joab said, Today thy servant knoweth that I have found grace in thy sight, my lord, O king, in that the king hath performed the request of his servant.

Young's Literal Translation
And Joab falleth on his face to the earth, and doth obeisance, and blesseth the king, and Joab saith, 'To-day hath thy servant known that I have found grace in thine eyes, my lord, O king, in that the king hath done the word of his servant.'