in agreement with, according to, custom

usual, established

of doctrine(s)

accepted, traditional

of know

famous, popular

allowed by law; connected with law

allowable, permissible

born of parents who are married to each other; according to law or public opinion of correct or moral behaviour

authentic, valid, legal

in agreement with what is usual, average or regular

common, usual

earning

favorable, profitable

(having opinions, beliefs etc which are) generally accepted or approved

accepted, traditional

of a profession; doing something in a way hat shows care or concern

skilled, trained

usual, established

usual, established