General:
* Publish
* Emit
* Disclose
* Discharge
* Unleash
* Free
* Emancipate
* Let go
* Set free
* Issue
For specific contexts:
* Film/Music: Launch, Premiere, Distribute
* Prison: Parole, Exonerate
* Pressure: Vent, Decompress
* Tension: Loosen, Relax
* Product: Launch, Introduce
Please provide more context about the situation where you're using the word "release" so I can give you a more precise synonym.