the body of doctrine, myth, belief, etc., that guides an individual, social movement, institution, class, or large group.

such a body of doctrine, myth, etc., with reference to some political and social plan, as that of fascism, along with the devices for putting it into operation.

Philosophy .

the study of the nature and origin of ideas.

a system that derives ideas exclusively from sensation.

theorizing of a visionary or impractical nature.

noun

articles of faith , credo , creed , culture , dogma , ideas , outlook , philosophy , principles , system , tenets , theory , view , weltanschauung , beliefs , doctrine , ideals