| well-founded(adjective, true, real, stability) |
| checkable(adjective, description, characteristics, traits) |
| defendable(adjective, description, characteristics, traits) |
| demonstrable(adjective, description, characteristics, traits) |
| empiric(adjective, description, characteristics, traits) |
| empirical(adjective, description, characteristics, traits) |
| maintainable(adjective, description, characteristics, traits) |
| sustainable development(expression, progress, development, sustainable) |
| tenable(adjective, description, characteristics, traits) |
| ability(noun, capacity, capability, competence, capableness) |
| address(noun, capacity, capability, competence, capableness) |
| adequacy(noun, capacity, capability, competence, capableness) |
| adroitness(noun, capacity, capability, competence, capableness) |
| aptitude(noun, capacity, capability, competence, capableness) |
| aptness(noun, capacity, capability, competence, capableness) |
| capability(noun, capacity, competence, capableness) |
| capableness(noun, capacity, capability, competence) |
| capacity(noun, capability, competence, capableness) |
| competence(noun, capacity, capability, capableness) |
| competency(noun, capacity, capability, competence, capableness) |