出席【しゅっせき】
attendance, presence, appearance
欠席【けっせき】
absence, non-attendance
席上【せきじょう】
at the meeting, on the occasion
座席【ざせき】
seat
客席【きゃくせき】
guest seating (e.g. theater, stadium), passenger seat (e.g. taxi), audience
即席【そくせき】
extempore, impromptu, improvised, ad-lib, off-the-cuff, instant
着席【ちゃくせき】
taking a seat, sitting down (in one's seat)
宴席【えんせき】
banquet, dinner party
主席【しゅせき】
head, chief, chairman, governor, president, top student, head of the class, top seat, first desk (in orchestra)
議席【ぎせき】
parliamentary seat
同席【どうせき】
being present (at the same meeting, occasion, etc.), attendance (with), sitting with, sitting next to, same (seating) precedence, same rank
出席者【しゅっせきしゃ】
attendee, participant, person present
空席【くうせき】
empty seat, unoccupied seat, vacancy, vacant post
次席【じせき】
associate, junior, assistant, runner-up
寄席【よせ】
entertainment hall (for rakugo, manzai, magic, music, etc.), vaudeville theater (theatre), music hall
満席【まんせき】
full house, all seats occupied, fully occupied
席巻【せっけん】
sweeping (over, across), conquering, overwhelming
退席【たいせき】
leaving one's seat
酒席【しゅせき】
drinking party
上席【じょうせき】
seniority, precedence, upper seat