Strong’s Greek
G16 — agathopoiia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀγαθοποιΐα
agathopoiia — pronounced ag-ath-op-oy-ee'-ah
from 17; well-doing, i.e. virtue:--well-doing. see GREEK for 17
1 occurrence in the KJV.
1 Peter 4:19
Wherefore let them that suffer according to the will of God commit the keeping of their souls to him in well doing, as unto a faithful Creator.