Earlier quoted context omitted.
Philosophers, artists, and other thinkers have written about aesthetics for thousands of years. Truly answering your question would take a long time, but a short version might be something like: the collective opinions of a diverse group of highly informed and experienced (not necessarily educated as in a university) individuals. But that's just one approach and there are many others. Even then, anything is probably…
This reminds me of a debate we're having in Sweden presently around architecture. Most contemporary architects seem to prefer buildings as big concrete blocks while most "common folk" would prefer something... less modern? A perfect example is the new art museum which you can see here https://www.svd.se/liljevalchs-tillbyggnad--ett-bankvalv-for... . I personally find it revolting, but am I then the person without tas…
And no I wouldn’t say you have no taste. Most aestheticians throughout (global) history would likely dislike that building. It’s only a recent phenomenon that such styles became so prevalent, largely out of ignorance or rejection of previous things.