| demand(noun, regulation, act, order, charge) |
| necessity(noun, order, fix, understanding, pass) |
| need(noun, verb, order, fix, understanding) |
| prerequisite(noun, form, fix, pass, position) |
| requisite(noun, right, condition, want, need) |
| obligation(noun, order, charge, drive, power) |
| condition(noun, part, position, need, shape) |
| essential(noun, form, fix, pass, position) |
| proviso(noun, form, part, fix, pass) |
| stipulation(noun, form, order, fix, pass) |
| must(noun, understanding, right, condition, want) |
| want(noun, verb, order, fix, pass) |
| sine qua non(noun, expression, idiom, condition, need) |
| claim(noun, order, charge, right, concern) |
| command(noun, regulation, act, order, charge) |
| mandate(noun, regulation, act, order, charge) |
| necessary(noun, want, need, essential, certainty) |
| qualification(noun, concern, condition, demand, need) |
| provision(noun, part, concern, condition, demand) |
| dictum |