(with from) To get off or exit a vehicle or animal; to descend; to dismount.
He alighted from his horse.
(with on or at) To descend and settle, lodge, rest, or stop.
A flying bird alights on a tree.
(followed by upon) To find by accident; to come upon.
To befall or betide.
To make light or less heavy; lighten; alleviate.
To light; light up; illuminate.
To set light to; light.
Lit, on fire, switched on.
The sticks were damp and wouldn't catch alight.
Lit; on fire, burning.
Her face was alight with happiness.