| cryptograph(noun, verb, system, cipher) |
| dictate(noun, regulation, order, rule, command) |
| directive(noun, regulation, rule, decree, instruction) |
| edict(noun, regulation, order, rule, decree) |
| form(noun, nature, action, act, style) |
| guideline(noun, action, plan, rule, belief) |
| jurisprudence(noun, regulation, rule, decree) |
| motto(noun, head, key, instruction, label) |
| mystery(noun, confidence, secret) |
| puzzle(noun, confidence, secret, mystery, cipher) |
| riddle(noun, confidence, secret, mystery) |
| standard(noun, principle, guideline) |
| credo(noun, law, philosophy, plan, right) |
| discipline(noun, law, rule, system, principle) |
| aim |
| autograph |
| axiom(noun, rule, instruction, principle, policy) |
| body of law(expression, idiom) |
| brainteaser(noun, secret) |
| calculate |