Inaguration
The word "inauguration" is a formal beginning or introduction. It has come to be synonymous with the legal installation into office of public officials, mainly elected executives such as governors and Presidents.
Inauguration ceremony
To "inaugurate" someone is to induct them into office with a formal ceremony. The "swearing in" (taking the oath of office) is a major part of the inauguration ceremony. Therefore, there would be no difference in the invitations.
A formal religious ceremony.
An inauguration is a formal ceremony marking the beginning of something, such as a term of office. It is also a ceremony in which an oath of office is taken. George Washington was the first US President to be inaugurated. He took the oath of office on 3 Apri 1798, so that was the first US Presidential Inauguration. they have been held every four years since then.
There is no such formal ceremony for a masonic marriage.
Ceremony
The ceremony after a person takes office is called an "inauguration."
Informal attire could be a skimpy bikini for an attractive girl, sunbathing at the beach. But she wouldn't wear that to her graduation ceremony, or to her office job.
what is the name of the oath of office ceremony
The word "inaugurated" means to formally introduce or initiate something, typically a new political leader, government, or organization, into office or operation. It signifies the beginning or commencement of a particular event or period.