absentation
n. C2 Proficiency ab·sen·ta·tion
n. the act of staying away from a place or a person, especially when you are supposed to be there.
n. the state or act of being absent or away from a specific location or person.
The manager noticed a pattern of frequent absentation among the staff.
The school's new policy aims to reduce unnecessary absentation by offering flexible sick leave options.
While occasional absentation is expected in any professional environment, the sudden and unexplained nature of his absence raised significant concerns among the board members.
From Medieval Latin absentatio, from Latin absento (“to be absent”). Equivalent to absent + -ation.