How many letters does the top answer for “a person who is present and participates in a meeting” have?

The most common answer is attendee (8 letters).

Crossword clue: a person who is present and participates in a meeting

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

attendee 8 letters wn-def

a person who is present and participates in a meeting

attender 8 letters wn-def

a person who is present and participates in a meeting

meeter 6 letters wn-def

a person who is present and participates in a meeting