[adverb]Sensationally means extremely. It is used with adjectives and adverbs relating to good or positive things.sensationally popular/successfulThe book sold sensationally well.Sensationally also means in an extremely interesting or exciting way.The show ended sensationally with fireworks.
SENSATIONALLY
Meaning of SENSATIONALLY in English
Cambridge English vocab. Кембриджский английский словарь. 2012