The Minor we do find out about the individuals that lived here implies they had a really sophisticated society. 凝った, 世間擦れ, 世間ずれ, 洒脱, 高機能, 洗練された, 都雅, 粋, 高度, 貴やか, 上品 In social phrases, the connotations of sophistication is dependent upon irrespective of whether one is an insider or an outsider https://sophisticated.altervista.org/eye-spy/