| indispensability(noun, need, essential, requirement, prerequisite) |
| needfulness(need, essential, requirement, prerequisite) |
| quiddity(noun, nature, quality, character, spirit) |
| quintessential(spirit, soul) |
| starting point(expression, cause, source, origin) |
| urgency(noun, need, essential, requirement, prerequisite) |
| aboriginality(noun, purity) |
| angelicness(noun, purity) |
| arrangement(noun, quality, feeling, touch, character) |
| aspect(noun, nature, quality, character, spirit) |
| attribute(noun, nature, quality, character, spirit) |
| backbone(noun, nature, quality, character, spirit) |
| balance(noun, quality, feeling, touch, character) |
| base(noun, quality, cause, start, character) |
| basis(noun, quality, cause, start, character) |
| be-all and end-all(noun, expression, idiom, nature, quality) |
| blamelessness(noun, purity) |
| bottom line(noun, expression, quality, type, kind) |
| burden(noun, quality, character, strength, spirit) |
| caliber(noun, nature, quality, character, spirit) |