Inspired by preacher it established rituals (5)
I believe the answer is:
rites
'rituals' is the definition.
('rite' can be a synonym of 'ritual')
'inspired by preacher it established' is the wordplay.
'inspired by' says the answer is hidden in the clue (the clue has breathed in or 'inspired' the answer).
'RITES' can be found hidden inside 'preacher it established'.
(Other definitions for rites that I've seen before include "Tires of religious ceremonies" , "Ceremonial forms" , "offices" , "Prescribed religious ceremonies" , "Formal ceremonial procedures" .)