GOD'S WORD® Translation
The man was silently watching her to see whether or not the LORD had made his trip successful.

American Standard Version
And the man looked stedfastly on her, holding his peace, to know whether Jehovah had made his journey prosperous or not.

Berean Study Bible
Meanwhile, the man watched her silently to see whether or not the LORD had made his journey a success.

Douay-Rheims Bible
But he musing beheld her with silence, desirous to know whether the Lord had made his journey prosperous or not.

English Revised Version
And the man looked stedfastly on her; holding his peace, to know whether the LORD had made his journey prosperous or not.

King James Bible
And the man wondering at her held his peace, to wit whether the LORD had made his journey prosperous or not.

World English Bible
The man looked steadfastly at her, remaining silent, to know whether Yahweh had made his journey prosperous or not.

Young's Literal Translation
And the man, wondering at her, remaineth silent, to know whether Jehovah hath made his way prosperous or not.

Genesis 24:21 Additional Translations ...