However, depending on the context, you could use various prefixes to create related words, like:
* Un-eventful: Meaning lacking in events or excitement.
* Pre-eventful: Meaning occurring before an event or events.
* Post-eventful: Meaning occurring after an event or events.
* Multi-eventful: Meaning involving many events.
The best prefix to use will depend on the specific meaning you are trying to convey.