THESAURUS
behest, bidding, canon, code, command, convention, dictate, dictation, dictum, direct order, form, formula, general principle, golden rule, guideline, guiding principle, hest, imperative, law, maxim, mitzvah, moral, norm, order, ordinance, pleasure, principium, principle, regulation, rubric, rule, say-so, settled principle, special order, standard, tenet, will, word, word of command, working principle, working rule