Lexical Definition

‎καλοποιέω‎ kalopoiéō (kal-op-oy-eh'-o) to do good ^G:V
from ‎καλός‎ and ‎ποιέω‎

well doing.

• to do well, i.e. live virtuously

Abbott-Smith

† καλο-ποιέω, -ῶ, [in LXX: Le 5:4 F (καλῶς π., B)*;]
to do well, act honourably: II Th 3:13 (cf. Ga 6:9 τὸ καλὸν π.).†

Abbott-Smith References

Liddell-Scott-Jones

καλοποιέω-έω,

do good, [NT+1st c.AD+]

_{LSJ Scripture Refs: 2Thess.3.13}