Anagrams of: AEROSTATIONS

• a merchant who sells writing materials and office supplies

• relating to or conferring immunity (to disease or infection)

• able to tolerate environmental conditions or physiological stress

• impervious to being affected

• disposed to or engaged in defiance of established authority

• incapable of absorbing or mixing with

• a declaration that is made emphatically (as if no supporting evidence were necessary)

• the act of affirming or asserting or stating something

• (used colloquially) overly conceited or arrogant

• the process of exposing to air (so as to purify)

• the act of charging a liquid with a gas making it effervescent

• An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.

• A moored balloon flown in a semi-permanent manner, such as a border patrol monitoring balloon affixed at 18,000 feet (~6 km).

• a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium