American Standard Version
The wise in heart shall be called prudent; And the sweetness of the lips increaseth learning.

Berean Study Bible
The wise in heart are called discerning, and pleasant speech promotes instruction.

Douay-Rheims Bible
The wise in heart shall be called prudent: and he that is sweet in words shall attain to greater things.

English Revised Version
The wise in heart shall be called prudent: and the sweetness of the lips increaseth learning.

King James Bible
The wise in heart shall be called prudent: and the sweetness of the lips increaseth learning.

World English Bible
The wise in heart shall be called prudent. Pleasantness of the lips promotes instruction.

Young's Literal Translation
To the wise in heart is called, 'Intelligent,' And sweetness of lips increaseth learning.

Proverbs 16:21 Additional Translations ...