N2 - 催促さいそく
request, demand, claim, urge (action), press for
N2 - 催しもよおし
event, festivities, function
N1 - 開催かいさい
holding a meeting, open an exhibition
N1 - 主催しゅさい
organization, sponsorship
N1 - 催すもよおす
to hold (a meeting), to give (a dinner), to feel, to show signs of, to develop symptoms of, to feel (sick