[adjective]You've got to put the facts into a form that's understandable to everyone.It's understandable that she should feel upset - no one talked to her the whole evening.If you feel that something, such as the way a person has behaved, is understandable, you feel that it is usual and not strange or difficult to understand.Their refusal to cooperate is perfectly/completely understandable, considering the circumstances.The contradictory explanations caused understandable confusion.
UNDERSTANDABLE
Meaning of UNDERSTANDABLE in English
Cambridge English vocab. Кембриджский английский словарь. 2012