noun
nuptials
NUP-shuhlz/ˈnʌpʃlz/
A wedding ceremony and its celebrations.
The couple celebrates their nuptials with family and close friends.

Etymology
From the marrying root came an adjective meaning 'pertaining to a wedding,' then a noun naming the wedding itself. Its now-fixed plural form can refer to a single wedding.
In context
as colin knew her on the day of the wedding the registrar rather conveniently never turned up to perform the nuptials
More examples
- Their nuptials take place in a small garden.
- We receive an invitation to their spring nuptials.
- The hotel offers a ballroom for lavish nuptials.
Forms
nuptials
nuptial adjective — Relating to marriage or a wedding.