@SigmaX I guess you are asking me to define feel-good.
I am sure feel-good is not the same thing for each creature.(although it need not be, by my ethics-axioms) For a creature, partying, smoking weed, drinking beer, playing video games could indeed be feel-good inducing. So can social skills, education and personal accomplishments, but these could also just be ways of acheving this feel-good.
My answer is that i cannot define feel-good, although assuming my set of axioms, calling the goal i mentioned (in prev post)good, can be seen as a definition of good itself. I recon that this structure adds some properties to good aswel. The word 'good' requires as definition as much as feel-good, it was the structure to restrict the nature of good i was looking for.

My "structure" to define the 'goal' or 'good' is that it, that it disallows any punishment and hate where it does not help anyone. So if Hitler got layed before his execution, it would be a good thing, as long as no-one is negatively affected. I am not talking about rape, infact assume the girl is neutrally affected somehow. Of course even knowing would affect many people badly in this case. It does also remove the state of the universe(external world) from the picture, only creatures matter. Of course creatures are affected by the universe, and even part of it.

BTW are there other words needing definition? Well, a lot, but some of them discussable? Other ways of defining 'good'?