開

better fortune

opening (for that day's business; of a library, museum, cinema, etc.)

opening (of a new library, museum, cinema, etc.)

Colloquial

abrupt plot change; unexpected story development; story development from out of left field

undeveloped (area); unexplored (field of study); wild (areas); untapped area

drilling; hole punching

Used in ref. to places ending in 園

opening of a park (theme park, botanical garden etc.)

development cost

reclaimed land; cleared land; area opened for development

opening (of uncultivated land)

opening a port (seaport, airport, etc.); starting operations at a port

opening a port to foreign vessels or trade

savage (barbaric) land; backward region; undeveloped area

new development; new discovery

place where a meeting (conference, etc.) is held; venue

Medicine

making an incision in the abdomen; performing a laparotomy

opening of mine

Dentistry

open bite; apertognathia

civilization; civilisation; enlightenment

debut; opening; first public exhibition

Pre-noun adjectival (rentaishi)

pierced; drilled; perforated; hollow

unpublished; not made public; unlisted (e.g. stock); unreleased; undisclosed

undeveloped (countries); backward; unentered

(hinged) door

founding a temple (on a hill-top)

opening game; (season) opener