farewell party, going away party

meeting, gathering / society, association, club

to open / to begin an event

to open, lift, uncover, unpack / to bloom / to start, open (a store)

open (intransitive verb)

a send-off

to give someone a send-off

new, novel / latest, recent / modern / fresh

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel