Bona fides(noun)
(A person's honesty and sincerity of intention/documentary evidence showing that a person is what they claim to be; credentials.)
Hindi meaning:नेकनीयती
Synonyms: Authentic, Genuine, Real, True, Actual, Sterling
Antonyms: Fake, Bogus
Example: To make sure you are a bona fide buyer, the real estate agent will check your credit before allowing you to view the house.
Trick to remember: Fight nhi karte jinke pass Bona fides hota hai. 
