absentation/ˌæb.sənˈteɪ.ʃn̩/EtymologyFrom Medieval Latin absentatio, from Latin absento (“to be absent”). Equivalent to absent + -ation.absentation means the act of absenting oneself. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounThe act of absenting oneself.