Unfurl (verb)

To open or spread out from a rolled or folded state, as a flag or sail.

Origin:

From middle english unfurle, from un- + furle (to fold or roll up), from old english furlian.

Examples:

1. The sailors unfurled the sails and the ship set off.
2. She unfurled the banner and held it up for everyone to see.
3. The flag unfurled in the wind as the national anthem played.
4. The gardener unfurled the hose to water the garden.
5. The kite unfurled in the sky as the wind caught it.