| archetype(noun, part, fake, measure, copy) |
| preliminary(adjective, preparation, precedence, precursor) |
| ahead(adverb, advance, front, before) |
| case(noun, regulation, act, order, part) |
| criterion(noun, law, regulation, fake, measure) |
| custom(noun, form, action, characteristic, style) |
| harbinger(noun, precursor) |
| predecessor(noun, precursor) |
| rule(noun, organization, form, law, regulation) |
| advance(adjective, precede, before) |
| case in point(noun, expression, idiom, part, case) |
| case law(noun, expression, idiom, law) |
| pioneer(noun, precursor) |
| precursory(precedence, priority, precursor) |
| prefatory(adjective, precedence, precursor) |
| yardstick |
| ancestor(noun, precursor) |
| avant-garde(noun, precursor) |
| common law(noun, expression, idiom, law) |
| decision(regulation, order, charge, rule, society) |