#1259 διαλλάσσω [διαλλάσσομαι] diallasso {dee-al-las'-so}

 from G1223 and G0236; TDNT - 1:253,40; v

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

 1) to change
 2) to change the mind of anyone, to reconcile
 3) to be reconciled, to renew friendship with one

—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 - reconcile 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)