What is another word for "diffuse"?

Roget's Thesaurus (1911) lists these synonyms for "diffuse": aeration, aerial, aerification, aeriform, aerodynamics, aerostatics, air, airy, alkali, ammonia, ammoniacal, bald, bladder, bland, careless, childish, cloud, cold, colorless, dry, dull, effluvium, elastic, emit, essence, ether, ethereal, evanesce, evaporable, evaporate, feeble, feebleness, fish, flatulence, flatulency, flatulent, flatus, fluid, frigid, fume.