This is the 12828th most frequent Russian word.
культурный
"Cultural" or "cultured."
Here, "культурный" is used to describe someone as having good manners and being well-educated or sophisticated.
Этот человек очень культурный.
This person is very cultured.
In this sentence, "культурный" describes something related to culture, pertaining to events, practices, or traditions.
Мы посетили культурный фестиваль в центре города.
We visited a cultural festival in the city center.
Here, "культурный" refers to the overall societal and intellectual development based on cultural aspects.