This is the 1823rd most frequent Portuguese word.
oficialmente
Officially.
Here, 'oficialmente' is used to describe that the swearing in of the president occurred in an official manner or capacity.
Hoje, o novo presidente foi oficialmente empossado.
Today, the new president was officially sworn in.
In this sentence, 'oficialmente' is utilized to denote that the postponement is recognized in an official declaration or announcement.
O evento foi oficialmente adiado para a semana seguinte.
The event was officially postponed to the following week.
'Oficialmente' in this case highlights that the announcement was made in a manner recognized as authoritative or formal.