Arrival; onset; a time when something first comes or appears; the time when it is approaching.
At the period just preceding the advent of Bartleby, I had two persons as copyists in my employment, and a promising lad as an office-boy.
verb
To arrive or begin, especially at the first coming or appearance of something.
1869 Grove Berry. Ritualism; Part II of An Enquiry. Pub: LONGMANS, GREEN et al.
But suppose we depart from the suggestion there made, and, leaving the idea of the status quo from which He advented to Earth, we rise with Solomon (Prov. viii), to some stasis which must be indefinite to us, are we not presumptuous if not even unpractical, Gnostical, and merely scholastic?
1978 Mohammed Ahmad Qureshi. Marriage and Matrimonial Remedies: A Uniform Civil Code for India
Maulana Abdul Kalam Azad in Tarjuman-ul-Quran says that in the seventh century when Islam was advented males had uncontrolled rights.
2014 Adam Pryor. The god who lives.
In the flesh, self and world are always coming-to-be, adventing, in an intimate reciprocity to one another.