Advent

/ˈædvɛnt/

Advent

arrival that has been awaited (especially of something momentous)

synonyms : coming

(Christian theology) the reappearance of Jesus as judge for the Last Judgment

synonyms : Parousia

the season including the four Sundays preceding Christmas

Examples

1. Many companies saw the advent of online retailing as a threat to their bricks and mortar business.

2. The advent of lithium ion batteries and electric propulsion technologies is igniting a revolution in transportation.

3. So, the advent of sonar drastically improved things.

4. KATE SOSIN: 2015 saw the advent of marriage equality nationwide.