expand

v. 1 increase in size or importance. 2 (often foll. By on) give a fuller account. 3 become more genial. 4 set or write out in full. 5 spread out flat.  expandable adj. [latin pando pans- spread]

v. t. To lay open by extending; to open wide; to spread out; to diffuse; as, a flower expands its leaves.