To grow clear or bright; to clear up.
To make clear or easily understood; to explain in order to remove doubt or obscurity.
To grow or become clear or transparent; to become free from feculent impurities, as wine or other liquid under clarification.
To make clear or bright by freeing from feculent matter.
To turn out; to happen; to develop.
To undo a folding.
To release from a fold or pen.
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 reveal.
In functional programming, a kind of higher-order function that is the opposite of a fold.