~に満ちる (to be full of)

The pattern [noun] + に + 満ちる, meaning 'to be full of X / brimming with X.' Literary and somewhat elevated — used with abstract qualities: 希望に満ちた顔 ('a face full of hope'), 自信に満ちた声 ('a voice brimming with confidence'). More expressive than simply 'having' the quality.