What does "advent" mean?

Arrival; onset; a time when something first comes or appears; the time when it is approaching.

What is a synonym for "advent"?

Common synonyms include: arrival, access, accession, accomplishment, achievement, advance.

//ˈæd.vɛnt// name, noun, verb

name, noun, verb ·Moderate ·High school level

Noun

1
Arrival; onset; a time when something first comes or appears; the time when it is approaching.
"Death's dreadful advent"
2
arrival that has been awaited (especially of something momentous) wordnet
3
the season including the four Sundays preceding Christmas wordnet

Verb

1
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?"

Proper Noun

1
The first or the expected second coming of Christ.
2
A civil parish near Bodmin Moor, Cornwall, England.
3
The period or season of the Christian church year between Advent Sunday and Christmas: the period of the advent (approaching) of Christmas.
4
An unincorporated community in Jackson County, West Virginia, United States, named after a local church, itself named after the Christian concept.