Glow

v.joyful, calmliterary

Meaning 1

To give off a steady, soft light or warmth.

Reach for it when describing gentle visible radiance rather than a sharp flash

The paper lanterns glow along the path after sunset.

everyday
shine
light is clearly visible and may be bright
not when Shine can be sharp or reflected; glow is softer and self-sustaining.
professional
radiate
light or heat spreads outward from a source
not when Radiate sounds technical and does not promise a soft appearance.
literary
gleam
a small smooth surface catches a soft light
not when Gleam often comes from reflection rather than emitted warmth.
literary
smolder
low heat remains without open flame
not when Smolder suggests burning and possible danger, not benign light.

To show happiness, pride, or health through one's appearance.

Reach for it when describing positive feeling that is visibly evident in a person

The young mechanic began to glow when the customer praised her careful work.

everyday
beam
a broad smile openly shows pleasure
not when Beam centers the smile; someone can glow without smiling.
warm
blossom
confidence or wellbeing becomes increasingly visible
not when Blossom describes development, not the immediate look of pride.
warm
light up
happiness appears suddenly on the face
not when Glow can be gradual and sustained rather than an instant change.
literary
radiate
warmth or joy seems to spread to others
not when It can sound exaggerated when the expression is quietly pleased.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.