spread through or over
suffuse - fill
The formal word ‘suffuse’ refers to something that permeates and disperses within somebody or something. It is most commonly used in relation to a feeling when discussing a person, and a colour when referring to a thing. This term is typically encountered in written English, particularly in literature.
Attempts to suffuse sports with politics have met with strong resistance. The majority feel that the two should be kept separate.
After I told Mary the bad news, she was clearly devastated. Her face became suffused with sadness.
The sun was just setting as I drove home from work and it suffused the clouds with a vivid red glow.