/ ˌæsɪgˈneɪʃn; NAmE / noun
( formal or humorous ) a meeting, especially a secret one, often with a lover
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WORD ORIGIN
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 , from ad- to + signare to sign.