I . v. a.
1.
Spread, open, unfold, evolve, lay open, spread out.
2.
Dilate, distend, swell, fill out, blow up.
3.
Extend, stretch, enlarge, increase, diffuse.
II . v. n.
1.
Open, be unfolded, be spread out.
2.
Dilate, enlarge, be distended, increase in bulk.