assignation
/ˌæsɪgˈneɪʃən/noun
1
- an appointment to meet someone in secret, typically one made by lovers（尤指情人之间的）约会, 幽会, 私会：
his assignation with an older woman.
他与一位比他年长的女人的约会。
2
- mass noun the allocation or attribution of someone or something as belonging to something归属, 归因。
词源
late Middle English （in the senses 'command， appointment to office， or allotment of revenue'）： via Old French from Latin assignatio（n-）， from the verb assignare （see ASSIGN）.