System of belief (8)
'system of belief' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for creed that I've seen before include "teleprinter" , "Summary of articles of religious belief" , "Catechism" , "System of religious principles" , "Statement of belief" .)
'system of belief' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for ideology that I've seen before include "Basis for policies" , "doctrine" , "Ideas that form the basis of a political theory" , "Set of beliefs" , "Beliefs forming basis of political philosophy, say Marxism" .)