#2676 κατάρτισις katartisis {kat-ar'-tis-is}

 from G2675; TDNT - 1:475,80; n f

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) a strengthening, perfecting of the soul
    1a) a training, disciplining, instructing

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - perfection 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)