ceremonious, conventional, formal, orthodox, regular, routine

authorized, certified, official, sanctioned

accepted, correct, decorous, genteel, nice, polite, proper, respectable, seemly

formalistic, ritual, ritualistic

methodical (also methodic), orderly, systematic

unauthorized, unofficial

graceless, <

---

den='true'>, civility, decorum, etiquette, graces, proprieties

convention, custom, habit, manners, mores, practice (also practise), standard, tradition, way

celebration, service

ceremonious, conventional, formal, orthodox, regular, routine

authorized, certified, official, sanctioned

accepted, correct, decorous, genteel, nice, polite, proper, respectable, seemly

formalistic, ritual, ritualistic

methodical (also methodic), orderly, systematic

unauthorized, unofficial

graceless, <

---

den='true'>, civility, decorum, etiquette, graces, proprieties

convention, custom, habit, manners, mores, practice (also practise), standard, tradition, way

celebration, service

ceremonious, conventional, formal, orthodox, regular, routine

authorized, certified, official, sanctioned

accepted, correct, decorous, genteel, nice, polite, proper, respectable, seemly

formalistic, ritual, ritualistic

methodical (also methodic), orderly, systematic

unauthorized, unofficial

graceless, <