'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.