eventful
1. [ adjective ] having important issues or results
Synonyms: consequential
Examples:

"the year's only really consequential legislation" "an eventful decision"

Related terms: important
2. [ adjective ] full of events or incidents
Examples:

"the most exhausting and eventful day of my life"

Related terms: uneventful lively
Similar spelling:   event
  eventual
  eventuate
  eventually
  eventuality
  eventration
  eventide