unfreeze

verb (used with object), un·froze, un·fro·zen, un·freez·ing.

1. to cause to thaw; melt.
2. to remove or relax controls or restrictions on (funds, prices, rents, etc.).

verb (used without object), un·froze, un·fro·zen, un·freez·ing.

3. to become unfrozen; thaw.

verb -freezes, -freezing, -froze or -frozen

1. to thaw or cause to thaw
2. (tr) to relax governmental restrictions on (wages, prices, credit, etc) or on the manufacture or sale of (goods, etc)