James Strong - Słownik Języka Greckiego

But refuse profane and old wives' fables, and exercise^G1128 thyself rather unto godliness.
KJV 1 Tym 4:7

But strong meat belongeth to them that are of full age, even those who by reason of use have their senses exercised^G1128 to discern both good and evil.
KJV Hebr 5:14

Now no, chastening for the present seemeth to be joyous, but grievous: nevertheless afterward it yieldeth the peaceable fruit of righteousness unto them which are exercised^G1128 thereby, .
KJV Hebr 12:11

Having eyes full of adultery, and that cannot cease from sin; beguiling unstable souls: an heart they have exercised^G1128 with covetous practices; cursed children:
KJV 2 Piotr 2:14