| epoch(noun, state, condition, existence, duration) |
| era(noun, state, condition, existence, duration) |
| form(noun, state, position, condition, status) |
| formation(noun, state, condition, existence, duration) |
| generation(noun, state, condition, existence, duration) |
| interval(noun, state, condition, existence, duration) |
| lifespan(noun, state, condition, existence, duration) |
| origination(noun, state, condition, existence, duration) |
| point(noun, state, condition, existence, duration) |
| procreation(noun, state, condition, existence, duration) |
| stage(noun, state, condition, existence, duration) |
| status(noun, state, position, condition) |
| living(noun, entity, state, condition, being) |
| position(noun, state, condition, status) |
| animateness(noun, state, condition, animation, aliveness) |
| awareness(noun, state, condition, animation, aliveness) |
| period of time(noun, expression, time, period, interval) |
| reality(noun, entity, being, world, actuality) |
| subsistence(noun, entity, being, world, actuality) |
| time period(noun, expression, time, period, interval) |