|Origin:||, past participle of suffundere 'to pour beneath, suffuse', from sub- ( SUB-) + fundere 'to pour'|
suf‧fuse [transitive] literary
if warmth, colour, liquid etc suffuses something or someone, it covers or spreads through them:
The light of the setting sun suffused the clouds.
Hot colour suffused her cheeks.
if someone is suffused with a feeling, they are full of that feeling:
She was suffused with happiness.