I. MATTER IN GENERAL
[Nouns] levity; lightness;
imponderability, buoyancy, volatility.
feather, dust, mote, down, thistle, down, flue, cobweb, gossamer, straw,
cork, bubble, balloon; float, buoy; ether, air.
leaven, ferment, barm, yeast.
[Verbs] be light; float, rise, swim, be
render light; lighten, leaven.
[Adjectives] light, subtile, airy;
imponderous, imponderable; astatic, weightless, ethereal, sublimated;
gossamery; suberose, suberous; uncompressed, volatile; buoyant, floating;
light as a feather, light as a thistle, light as air.