American Dictionary of the English Language

CREED, noun [This word seems to have been introduced by the use of the Latin credo, I believe, at the beginning of the Apostles creed or brief system of Christian faith. See creed ]

1. A brief summary of the articles of Christian faith; a symbol; as the Apostolic creed

2. That which is believed; any system of principles which are believed or professed; as a political creed