The crossword solution for the term 'ADMIT TO OFFICE, WITH 'IN'' is 'SWEAR'. To SWEAR in someone means to formally admit them into a position of authority or responsibility. This is usually done by having the person take an oath or promise to fulfill their duties. Swearing in is a common practice for government officials, such as the President of the United States, and other public servants. It is also used in some private organizations, such as fraternities and sororities.