Justness(noun)
Meaning: The quality or state of being just, equitable, or right.
Hindi meaning:औचित्य
Synonyms: Justice, Fairness, Impartiality, Equity
Antonyms: Bias, Discrimination, Subjectivity, Partiality, Prejudice
Example: In fact, the most needed field of justness is the field of public administration.
Trick to remember: Justice hamesha justness ko follow karte h 
