formally
US /ˈfɔːr.mə.li/
UK /ˈfɔːr.mə.li/

1.
formalmente, oficialmente
in a way that is in accordance with rules or conventions or with established practice
:
•
The agreement was formally signed by both parties.
O acordo foi formalmente assinado por ambas as partes.
•
He was formally introduced to the board members.
Ele foi formalmente apresentado aos membros do conselho.
2.
formalmente, de forma rígida
in a stiff, precise, or conventional manner
:
•
She dressed very formally for the gala.
Ela se vestiu muito formalmente para a gala.
•
He spoke formally, avoiding slang.
Ele falou formalmente, evitando gírias.