received

adjectives

conforming to the established language usage of educated native speakers
"standard English" (American); "received standard English is sometimes called the King's English" (British)
widely accepted as true or worthy
"a received moral idea"; "Received political wisdom says not; surveys show otherwise"- Economist
is similar to
following accepted customs and proprieties
"conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address"