swear in

Verb

swear in (third-person singular simple present swears in, present participle swearing in, simple past swore in, past participle sworn in)

1. (transitive) To administer an oath to, as an oath of office or of citizenship.
   • The Chief Justice swore him in as President on Inauguration Day.
   • "Where will you be sworn in?" I asked as we walked to the door. He said that he had decided not to go to the Capitol because his former colleagues there might turn the occasion into some kind of celebration. I said that I planned to be gone by noon; if he liked, he could be sworn in in the White...1978, Richard Nixon, “The Presidency 1973–1974”, in RN: the Memoirs of Richard Nixon, Grosset & Dunlap, →ISBN, →LCCN, →OCLC, →OL, page 1079

   Synonyms:

   inaugurate