Lexical Definition

‎κατάρτισις‎ katártisis (kat-ar'-tis-is) perfection ^G:N-F
from ‎καταρτίζω‎

perfection.

• thorough equipment (subjectively)

Abbott-Smith

*† κατ-άρτισις, -εως, ἡ (< καταρτίζω),
a strengthening, making fit: in ethical sense, II Co 13:9.†

Abbott-Smith References

Liddell-Scott-Jones

κατάρτισις-ῐσις, εως, ἡ,

restoration, [NT]

__II training, discipline, [Refs 1st c.AD+]
__III ={καταρτισμός} [Refs 7th c.AD+]

_{LSJ Scripture Refs: 2Cor.13.9}