WordNet sense 1 (move outward):

spread, spread out, fan out

WordNet sense 2 (spread or diffuse through):

imbue, penetrate, permeate, pervade, riddle, interpenetrate

WordNet sense 3 ((of light) transmitted from a broad light source or reflected):

soft, diffused

WordNet sense 4 (cause to become widely known):

broadcast, circularize, circulate, disperse, disseminate, distribute, propagate, circularise, pass around

WordNet sense 5 (tediously prolonged or tending to speak or write at great length):

prolix

WordNet sense 6 (spread out or scattered about or divided up):

distributed