noun
oath-taking ceremony; swearing-in ceremony
Refers to a formal ceremony where an oath is administered, such as for public officials, witnesses, or new citizens.
大統領の宣誓式は議会で行われた。
The president's swearing-in ceremony was held at the parliament.
新入生は入学式で宣誓式に参加した。
The new students participated in the oath-taking ceremony at the entrance ceremony.