'Exercised' in the Bible

And I applied my heart to seek and to search out by wisdom concerning all that is done under heaven: it is a sore travail that God hath given to the sons of men to be exercised therewith.

I have seen the travail which God hath given to the sons of men to be exercised therewith.

The people of the land have used oppression, and exercised robbery; yea, they have vexed the poor and needy, and have oppressed the sojourner wrongfully.

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

All chastening seemeth for the present to be not joyous but grievous; yet afterward it yieldeth peaceable fruit unto them that have been exercised thereby, even the fruit of righteousness.

having eyes full of adultery, and that cannot cease from sin; enticing unstedfast souls; having a heart exercised in covetousness; children of cursing;