[noun]You can't just make wild/unfounded accusations like that! [C]He glared at me with an air of accusation (= as if I had done something wrong). [U]What do you say to the accusation that you are unfriendly and unhelpful? [C + that clause]
ACCUSATION
Meaning of ACCUSATION in English
Cambridge English vocab. Кембриджский английский словарь. 2012