General Antonyms:
* Encourage
* Promote
* Foster
* Support
* Uphold
* Permit
* Allow
* Enable
* Facilitate
* Amplify
* Exaggerate
* Publicize
* Disseminate
Antonyms related to specific meanings:
* Reveal (opposite of suppressing information)
* Express (opposite of suppressing feelings)
* Revive (opposite of suppressing a movement or activity)
* Liberate (opposite of suppressing a group of people)
* Unleash (opposite of suppressing power or energy)
Examples:
* Instead of suppressing their emotions, they chose to express them openly.
* The government tried to suppress the news, but it was eventually revealed.
* The protest movement was suppressed by the authorities, but it later revived with renewed strength.
The best antonym for "suppress" will depend on the specific context in which you are using it.