Synonyms of atmospheric

2 Syllables
airy, weightless, airier, airiest, aerial
3 Syllables
out-of-doors, light-footed, floatable, birdlike, featherweight, ethereal, pneumatic, climatic, lightfooted
4 Syllables
baroscopic, gossamery
5 Syllables
barometrical, aeronautical, well-ventilated
6 Syllables
meteorological