Collocations for ceremony - noun

brief, short
quiet, simple
elaborate, glittering (BrE), lavish
moving, solemn
private, public
formal, important, official, special, traditional
an official ceremony to welcome the new director

inaugural (esp. AmE), opening
the opening ceremony of the Olympics

closing
awards, presentation, prize-giving (esp. BrE)
civil-partnership (in the UK), commitment (AmE), marriage, wedding
a same-sex commitment ceremony

civil, religious
coming-of-age, naming, retirement (AmE)
burial (esp. AmE), funeral, memorial, wreath-laying
commencement (AmE), degree, graduation
inauguration, induction, initiation, signing, swearing-in
groundbreaking (= to mark the beginning of construction of a new building)
dedication, flag-raising (AmE), ribbon-cutting, unveiling
tea
the Japanese tea ceremony

conduct, officiate (AmE), officiate at, perform
The marriage ceremony was performed by the bishop.

hold, host
attend, be present at, take part in

take place
commemorate sth, honour/honor sb/sth, mark sth
a special ceremony to mark the opening of the festival

at a/the ceremony
Many dignitaries were present at the ceremony.

during a/the ceremony
A lot of people wept during the funeral ceremony.

in a/the ceremony
They were married in a simple ceremony.

stand on (esp. BrE)
I won't stand on ceremony (= be formal).

without ceremony
It was done quickly and without ceremony.

pomp and ceremony
the pomp and ceremony of a royal wedding

with great ceremony
She was buried with great ceremony in the Abbey.