unleash

verb3

1. •
   To free from a leash, or as from a leash.

   • He unleashed his dog in the park.
2. •
   (figurative) To let go; to release.

   • He unleashed his fury.
3. •
   (figurative) To precipitate; to bring about.

   • Even if it were working perfectly, the stimulus would not come close to stemming the cascade of joblessness unleashed by this megarecession. — 2009