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alight (up)on someone or something
to land on something; [for a bird or other flying animal] to come to rest on something. (Upon is more formal than on.) A small bird alighted on the branch directly over my head. It alighted upon the branch and began to sing.
1. To come down and settle on something; land on something: I watch the birds alight on the branches outside my window.
2. To discover or arrive at something by chance: The workers alighted on a simple solution to the problem.