| age(noun, living, lifetime, lifespan, aliveness) |
| appropriate(adjective, suitability, propriety, aptness) |
| appropriateness(noun, suitability, propriety, aptness, relevance) |
| applicability(noun, suitability, propriety, aptness, relevance) |
| aptness(noun, suitability, propriety, relevance) |
| suitableness(noun, suitability, propriety, aptness, relevance) |
| ageing(noun, living, lifetime, lifespan, aliveness) |
| aging(noun, living, lifetime, lifespan, aliveness) |
| aptitude(noun, suitability, propriety, aptness, relevance) |
| convenience(noun, suitability, propriety, aptness, relevance) |
| fitness(noun, suitability, propriety, aptness, relevance) |
| lifespan(noun, living, lifetime, aliveness) |
| lifetime(noun, living, lifespan, aliveness) |
| pertinence(noun, suitability, propriety, aptness, relevance) |
| propriety(noun, suitability, aptness, relevance) |
| relevance(noun, suitability, propriety, aptness) |
| suitability(noun, propriety, aptness, relevance) |
| condition(noun, feature, state, position, status) |
| feature(noun, state, position, status) |
| position(noun, feature, state, status) |