He already said there was no physicality involved.
If you were with the company for 6 years and went through promotions, don’t spin it at all.
When the questions comes up, just say some guy called you a n-bomb and it turned into a he said vs she said and you were both terminated in a typical HR bureaucratic nonsensical fashion. You can add that while you think you were wronged, you think its best to put it behind you and use it as an opportunity to pursue *better* opportunities.
By default, this is how I would see the situation as well, and a red flag would be raised. Regardless of the situation and what happened, I don’t see a yelling match in an environment of professionals to be something I want to take a chance with.