Light

adj.joyful, calmeveryday

Meaning 1

Containing or receiving plenty of brightness.

Reach for it when describing a bright color, room, or visual impression

Light walls helped the narrow studio feel open and calm.

everyday
bright
strong illumination is the central quality
not when Bright is more intense and may create glare.
warm
airy
brightness combines with space and openness
not when Airy concerns spacious feeling rather than light level alone.
professional
pale
a color has little darkness or saturation
not when Pale can look washed out and does not describe illumination.

Having relatively little weight, force, or density.

Reach for it when describing something easy to carry or gentle in effect

The light frame could be moved by one stagehand.

warm
gentle
low force or mild effect is what matters
not when Gentle describes manner or impact, not weight.
professional
lightweight
low physical weight is the exact specification
not when Lightweight can suggest flimsiness when praising a robust object.
literary
delicate
fine structure or subtle effect suits the description
not when Delicate can imply fragility that a light object does not have.

Cheerful, easy, or intentionally not serious.

Reach for it when setting a pleasant tone without promising deep emotion

Her light opening remark made the formal workshop feel welcoming.

playful
playful
humor or creative fun is part of the mood
not when Playful may be inappropriate where light restraint is intended.
everyday
cheerful
visible good spirits define the tone
not when Cheerful is more openly happy than merely light.
literary
breezy
an easy informal style avoids heaviness
not when Breezy can sound dismissive of serious concerns.

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