golden rule (n.)

• axiom
• canon
• casuistry
• code
• commandment
• convention
• dictate
• dictum
• empiricism
• ethology
• evolutionism
• form
• formula
• guideline
• hedonism
• imperative
• intuitionism
• law
• maxim
• mitzvah
• moral
• norm
• ordinance
• perfectionism
• postulate
• principle
• proposition
• regulation
• rubric
• rule
• standard
• tenet
• theorem
• truism
• truth
• utilitarianism