(FORMAL BEHAVIOUR) [noun] [U] - very formal and polite behaviourWhen we arrived at the hotel, we were received with great ceremony by the owners.She arrived at the airport without the pomp and ceremony that usually accompanies important politicians.I handed her my letter of resignation without ceremony (= in an informal way).
CEREMONY
Meaning of CEREMONY in English
Cambridge English vocab. Кембриджский английский словарь. 2012