"release" en el diccionario Collins English Cobuild & Thesaurus

release
vb

1 deliver, discharge, disengage, drop, emancipate, extricate, free, let go, let out, liberate, loose, manumit, set free, turn loose, unbridle, unchain, undo, unfasten, unfetter, unloose, unshackle, untie

2 absolve, acquit, dispense, excuse, exempt, exonerate, let go, let off

3 break, circulate, disseminate, distribute, issue, launch, make known, make public, present, publish, put out, unveil
n

4 acquittal, deliverance, delivery, discharge, emancipation, freedom, liberation, liberty, manumission, relief

5 absolution, acquittance, dispensation, exemption, exoneration, let-off (informal)

6 announcement, issue, offering, proclamation, publication

Antonyms
, vb

1 & 2 detain, engage, fasten, hold, imprison, incarcerate, keep

3 suppress, withhold
n

4 & 5 detention, imprisonment, incarceration, internment