swear in
• admit someone to a particular office or position by directing them to take a formal oath.
• "he was sworn in as president on 10 July"
Similar:
install,
instate,
induct,
invest,
inaugurate,
introduce,
admit into office,
institute,
initiate,
appoint,
put in,
create,
ordain,
consecrate,
anoint,
enthrone,
crown,