This is the 4197th most frequent German word.
bekanntlich
"Bekanntlich" means "as is well known" or "as everyone knows."
Used to convey a generally accepted piece of information.
Bekanntlich ist Übung der Schlüssel zum Erfolg.
Practice is known to be the key to success.
Indicates information that is widely recognized or acknowledged.
Das Wetter ist bekanntlich im April sehr wechselhaft.
The weather is known to be very changeable in April.
Refers to a characteristic or information familiar to the conversational participants.