pre-engagement
/ˌpriːɪnˈɡeɪdʒm(ə)nt/ /ˌpriːɛnˈɡeɪdʒm(ə)nt/ /ˌpriːɪŋˈɡeɪdʒm(ə)nt/noun
The action of pre-engaging someone or something; the fact of being already or previously engaged; an instance of this, an engagement or commitment previously given or made.
adjective
Existing or occurring prior to engagement; specifically prior or preparatory to being engaged to be married; of or relating to a promise to become engaged to be married, especially in pre-engagement ring.
Origin
Mid 17th century (in an earlier sense). From pre- + engagement.