IPA: /ɪˈvɛntfəli/
KK: /ɪˈvɛntfəli/
In a way that involves a lot of interesting or important events or activities.
The trip was eventfully filled with unexpected adventures and surprises.
Eventfully → It is formed from "event" (from Latin "eventus", meaning outcome or occurrence) and "-fully" (meaning in a manner full of). The word "eventfully" means in a manner full of events or occurrences.
Think of 'event' as an occurrence and remember that 'eventfully' means in a way that is full of occurrences.