ceremonious courtiers
ceremonious
/ˌser-ə-ˈmō-nē-əs/
adjective
devoted to forms and ceremony
of, relating to, or constituting a ceremony
according to formal usage or prescribed procedures
ceremonial ceremonious formal conventional mean marked by attention to or adhering strictly to prescribed forms. ceremonial and ceremonious both imply strict attention to what is prescribed by custom or by ritual, but ceremonial applies to things that are associated with ceremonies , ceremonious to persons given to ceremony or to acts attended by ceremony.