noun
attendance
uh-TEN-duns/əˈtendəns/
Being present at a particular place or event.
The teacher checks attendance against the pupils present in the classroom.

Etymology
The underlying image is stretching one's mind toward something. Through attending to duties and waiting on others, attendance came to mean being present, originally with the intention of taking part.
In context
wealthy friend of mine had a gathering with a couple dozen people fortunately he and those who attended are like dr mike and could afford rapid tests for everyone in attendance
More examples
- Regular attendance is required for this course.
- Rain reduced attendance at the outdoor concert.
- The club reported record attendances throughout the season.
Forms
attendance · attendances
attend verb — To be present at a place or event.
Similar words
- presence
- Means being there without implying an organized event or count.
- turnout
- Usually emphasizes the number of people who choose to come.