Record western ceremony (5)
I believe the answer is:
write
'record' is the definition.
(I know that write is a more specific form of record)
'western ceremony' is the wordplay.
'western' becomes 'w'.
'ceremony' becomes 'rite' (rite is a kind of ceremony).
'w'+'rite'='WRITE'
(Other definitions for write that I've seen before include "Compose; correspond" , "what an author must do" , "Put pen to paper" , "Compose (a text)" , "Put down in black and white" .)