attendance

nouns

the act of being present (at a meeting or event etc.)
is derived from
is derived from
antonym
the frequency with which a person is present
"a student's attendance is an important factor in her grade"
is derived from
is a type of (narrower)
the number of occurrences within a given time period
"the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
the number of people that are present
"attendance was up by 50 per cent"
is derived from
is a type of (narrower)
a social gathering of guests or companions
"the house was filled with company when I arrived"