GOD'S WORD® Translation
However, solid food is for mature people, whose minds are trained by practice to know the difference between good and evil.

American Standard Version
But solid food is for fullgrown men, even those who by reason of use have their senses exercised to discern good and evil.

Berean Study Bible
But solid food is for the mature, who by constant use have trained their senses to distinguish good from evil.

Douay-Rheims Bible
But strong meat is for the perfect; for them who by custom have their senses exercised to the discerning of good and evil.

English Revised Version
But solid food is for fullgrown men, even those who by reason of use have their senses exercised to discern good and evil.

King James Bible
But strong meat belongeth to them that are of full age, even those who by reason of use have their senses exercised to discern both good and evil.

World English Bible
But solid food is for those who are full grown, who by reason of use have their senses exercised to discern good and evil.

Young's Literal Translation
and of perfect men is the strong food, who because of the use are having the senses exercised, unto the discernment both of good and of evil.

Hebrews 5:14 Additional Translations ...