IPA: /ˌæsɪˈneɪʃən/
KK: /əˌsaɪnˈeɪʃən/
A meeting or appointment, often secret, between lovers; it can also refer to something that has been assigned or allocated.
They arranged an assignation at the park to meet secretly.
Assignation → It is formed from "assignare" (meaning to designate or appoint) and the suffix "-tion" (indicating the action or process). The word "assignation" refers to the act of designating or appointing something, often in a formal context.
Think of the act of 'designating' or 'appointing' something — that's what assignation means.