Noun
Verb (する, intransitive)
1. participation (in a tournament, match, race, etc.); entry; taking part (in); competing (in); appearance
ああでもしなければ、絶対に出場しなかった。If I hadn't done something like that, I absolutely would not have participated.
2. appearance (on the stage, television, etc.)
この歌手は紅白に三回出場している。This singer has appeared on the Kohaku song show three times.
3. exiting (a venue, train station, etc.); exit
4. being dispatched (of an ambulance, fire engine, etc.)