justification (n.)youdaoicibaDictYouDict[justification 词源字典]
late 14c., "administration of justice," from Late Latin iustificationem (nominative iustificatio), noun of action from past participle stem of iustificare (see justify). Meaning "action of justifying" is from late 15c. Theological sense is from 1520s.[justification etymology, justification origin, 英语词源]