noun: a doctrine that is believed to be of great importance
Example: "Newton's writings were gospel for those who followed"
noun: four books in the New Testament that tell the story of Christ's life and teachings
noun: an unquestionable truth
Example: "His word was gospel"
noun: a genre of a capella music originating with Black slaves in the United States and featuring call and response; influential on the development of other genres of popular music (especially soul)
noun: the written body of teachings of a religious group that are generally accepted by that group