unfold

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To open and spread out (something folded); extend.
• intransitive verb To remove the coverings from; disclose to view.
• intransitive verb To reveal gradually by written or spoken explanation; make known.
• intransitive verb To become spread out; open out.
• intransitive verb To develop or occur as a series of events or stages.
• intransitive verb To be revealed gradually to the understanding.

from The Century Dictionary.

• To open the folds of; expand; spread out; change from a folded condition, in any sense of the word fold. To lay open to view or contemplation; make known in all the details; develop; disclose; reveal: as, to unfold one's designs; to unfold the principles of a science.
• To show, or let be seen; display.
• To become opened out; be spread apart; become disclosed or developed; develop itself.
• To release from a fold or pen.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To open; to expand; to become disclosed or developed.
• transitive verb To open the folds of; to expand; to spread out.
• transitive verb To open, as anything covered or close; to lay open to view or contemplation; to bring out in all the details, or by successive development; to display; to disclose; to reveal; to elucidate; to explain.
• transitive verb To release from a fold or pen.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To undo a folding.
• verb intransitive To turn out to happen; to develop.
• verb transitive To reveal.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb develop or come to a promising stage
• verb spread out or open from a closed or folded state
• verb open to the view
• verb extend or stretch out to a greater or the full length