| of the essence(expression, adjective, idiom, essential, necessary) |
| perfect(adjective, correct, flawless, faultless, textbook) |
| qualification(noun, condition, essential, requirement, prerequisite) |
| rightful(adjective, good, correct, right, reasonable) |
| staple |
| urgent(adjective, important, significant, essential, critical) |
| want(noun, verb, right, need, essential) |
| called for(verb, expression, adjective, phrasal verb, essential) |
| cardinal(adjective, important, significant, original, essential) |
| central(adjective, important, significant, original, essential) |
| chief(adjective, important, significant, capital, essential) |
| compulsion(noun, right, want, need, essential) |
| condign(adjective, good, correct, right, reasonable) |
| deserved(adjective, good, correct, right, reasonable) |
| enforced(required, obligatory, compulsory, mandatory) |
| just(adjective, good, correct, right, reasonable) |
| key(adjective, important, significant, original, essential) |
| merited(adjective, good, correct, right, reasonable) |
| paramount(adjective, important, significant, original, essential) |
| primary(adjective, important, significant, original, essential) |