開催[kaisai] holding a meeting
開催式[kaisaishiki] opening ceremony (of an event, show, etc.)
開催中[kaisaichuu] in session
共催[kyousai] joint sponsorship
催し[moyooshi] event

催物[moyoushimono] points of interest
催す[moyoosu] to hold (a meeting)
催淫剤[saiinzai] aphrodisiac
催合う[moyau] to co-operate (in enterprises)
催告[saikoku] notification

淫ら[midara] loose
淫行[inkou] obscenity
淫事[inji] lascivious act
淫心[inshin] sexual passion
淫蕩[intou] dissipation

淫賣[inbai] prostitution
淫婦[inpu] woman of loose morals
淫風[inpuu] lewd manners
淫奔[inpon] lewdness
淫乱[inran] debauched