Synonyms and related words :
act of grace, act of kindness, benefaction, benefit, benevolence, benignity, blessing, canon, code, commandment, convention, courtesy, dictum, favor, form, formula, general principle, golden rule, good deed, good offices, good turn, grace, guideline, guiding principle, imperative, kind deed, kind offices, kindly act, kindness, labor of love, law, maxim, mercy, moral, norm, obligation, office, ordinance, principium, principle, regulation, rubric, rule, service, settled principle, standard, tenet, turn, working principle, working rule