American Standard Version
To make thee know the certainty of the words of truth, That thou mayest carry back words of truth to them that send thee?

Berean Study Bible
to show you true and reliable words, that you may soundly answer those who sent you?

Douay-Rheims Bible
That I might shew thee the certainty, and the words of truth, to answer out of these to them that sent thee.

English Revised Version
To make thee know the certainty of the words of truth, that thou mayest carry back words of truth to them that send thee?

King James Bible
That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to them that send unto thee?

World English Bible
To teach you truth, reliable words, to give sound answers to the ones who sent you?

Young's Literal Translation
To cause thee to know the certainty of sayings of truth, To return sayings of truth to those sending thee.

Proverbs 22:21 Additional Translations ...