- Alternately turn aft, unroll and spread out - Open out - Spread open - Spread out a sail or flag - Straighten out - Unroll (flag) - To loose from a furled state; to unfold; to expand;
to open or spread; as, to unfurl sails; to unfurl a flag.
- Demonstrate - Demonstrate to be true - Investigate - Provencal clan out to increase in volume - Show as factual - Show the truth of - Show to be right