To undo a folding.
to unfold a map; to unfold a tablecloth; she unpacks the new dress and unfolds it carefully
To turn out; to happen; to develop.
To reveal.
To open (anything covered or closed); to lay open to view or contemplation; to bring out in all the details, or by successive development.
to unfold one's designs; to unfold the principles of a science
To release from a fold or pen.
to unfold sheep
The process by which something unfolds or becomes revealed.