folkways :|ˈfəʊkweɪz| a mode of thinking, feeling, or actin | EngVestors Advanced

folkways :|ˈfəʊkweɪz|
a mode of thinking, feeling, or acting common to a given group of people;
custom, style
нравы, представления, обычаи

He has mastered the rules, the byways and folkways of life in an entirely different universe;
Adam, who is a vegan, seemed to find the peculiar human folkways involving meat enervating;