Customary observance (6)
'customary observance' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for rite that I've seen before include "(Words for) ceremony" , "Uncomplaining person" , "(Words used in) ceremonial" , "Ceremony, liturgy" , "form of service" .)
'customary observance' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for ritual that I've seen before include "Ceremony following a prescribed order" , "Regular habit" , "Ceremony, regular procedure" , "Prescribed ceremonial procedure" , "Oft-repeated series of actions" .)