The antonyms for "am suspended" are basically words that describe the opposite situation. Instead of being suspended, a person could be free, released, or reinstated. If someone is free, they aren't held back or restricted in any way.
Released suggests they were under restraint or confinement, and now they are set free. Reinstated implies that someone was previously suspended or fired, and now they are back in their former position.
Other antonyms for "am suspended" might include allowed, approved, authorized, enabled, permitted, or welcomed. All of these words suggest a situation in which someone is permitted to continue their activities without any kind of stoppage or interruption.