Dictionary.com
Thesaurus.com

aerostatic

American  
[air-uh-stat-ik] / ˌɛər əˈstæt ɪk /
Also aerostatical

adjective

  1. of or relating to aerostatics.

  2. of, or capable of supporting, aerostats.


Etymology

Origin of aerostatic

First recorded in 1775–85; aero- + static