Then there is the issue of our degree of honesty when personally confronting each topic. Say, wait a minute, seems I've heard that before. Which I'm very good at. Glenn, the sinister. I think 'Glenn the Sinister' has it down.
Sin involves relationship.
I vote 'righteousness' as the word for the opposite for sin. Fulfilling the will of G-d through obeying a positive or negative mitzvah is the opposite of sin. It is impossible for anyone to fulfill all 613 commandments. Some commandments apply only when there is a standing Temple and Sanhedrin. Nearly a third of all the commandments have to do with the observation requirements of specific holidays and festivals.