| soar(verb, phrasal verb, spire, shoot up, tower up) |
| aerostat(noun, ship) |
| airship(noun, vehicle, material, ship) |
| amplify(verb, increase, rise, boost, issue) |
| ascend(verb, phrasal verb, heave, upsurge, spire) |
| globe(noun, earth, sphere, ball, orb) |
| go up(verb, phrasal verb, heave, upsurge, spire) |
| mushroom(verb, increase, swell, grow, expand) |
| puff out(verb, expression, adjective, phrasal verb, swell) |
| stretch(verb, increase, raise, boost, swell) |
| uprise(verb, phrasal verb, increase, rise, issue) |
| zeppelin(noun, vehicle, material, ship) |
| spring up(verb, phrasal verb, heave, upsurge, spire) |
| surge(verb, phrasal verb, increase, rise, issue) |
| wax(verb, increase, swell, grow, mount) |
| arise(verb, phrasal verb, heave, upsurge, spire) |
| bladder(noun, vehicle, material) |
| dirigible(noun, vehicle, material, ship) |
| grow(verb, increase, rise, issue, swell) |
| mount(verb, increase, rise, issue, swell) |