The term 'According to ___ (by the rules)' can be completed with the five-letter word 'Hoyle'. This word is a reference to Edmond Hoyle, an English writer who wrote books on card games and other forms of gambling. His works were so influential that his name became synonymous with the rules of these games. Therefore, the phrase 'According to Hoyle' means to follow the rules as established by Edmond Hoyle.