| bionomic(adjective, feature, characteristic, detail) |
| circumstances(noun, setting, milieu, environs, ambience) |
| condition(noun, state, situation, setting, milieu) |
| electrical(adjective, feature, state, phenomenon) |
| environment(noun, setting, surroundings, milieu, environs) |
| fundamental(adjective, feature, characteristic, detail) |
| natural cause(expression, nature, world, phenomenon) |
| natural hazard(expression, nature, world, phenomenon) |
| natural phenomenon(expression, nature, world, phenomenon) |
| natural process(expression, nature, world, phenomenon) |
| nuclear(adjective, feature, state, phenomenon) |
| oceanographic(adjective, feature, state, phenomenon) |
| palpable(adjective, feature, characteristic, detail) |
| perceptible(adjective, feature, characteristic, detail) |
| setting(noun, surroundings, milieu, environs, ambience) |
| surrounding(adjective, feature, characteristic, detail) |
| surroundings(noun, setting, milieu, environs, ambience) |
| ambience(noun, setting, surroundings, milieu, environs) |
| apparent(adjective, feature, characteristic, detail) |
| atmosphere(noun, setting, surroundings, milieu, environs) |