The act of officially putting someone into an important position, or the ceremony at which this is done. (Cambridge Dictionary)
The act of something officially starting to be used. (Cambridge Dictionary)
The beginning of a new period, style, or activity. (Cambridge Dictionary)
A ceremonial induction into office. (Merriam – Webster)
When a new leader is inaugurated, they are formally given their new position at an official ceremony. (Collins Dictionary)
President Trump’s inauguration speech, annotated.
An analysis of Donald Trump’s inaugural speech – The Boston Globe.
Shepard Fairey’s inauguration posters may define political art in Trump era.