Noun

(ceremonies)

A ritual with religious significance.

An official gathering to celebrate, commemorate, or otherwise mark some event.

A formal socially established behaviour, often in relation to people of different ranks.

(obsolete) An omen or portent.

* 1599 , , II. i. 197:

For he is superstitious grown of late, / Quite from the main opinion he held once / Of fantasy, of dreams, and ceremonies.

* 1599 , , II. ii. 14:

Caesar, I never stood on ceremonies, / Yet now they fright me.

Noun

(en noun)

A festive occasion marked by parades and sometimes special foods and other entertainment.

*{{quote-magazine, date=2013-06-07, author=David Simpson

, volume=188, issue=26, page=36, magazine=(The Guardian Weekly) , title= Fantasy of navigation , passage=Like most human activities, ballooning has sponsored heroes and hucksters and a good deal in between. For every dedicated scientist patiently recording atmospheric pressure and wind speed while shivering at high altitudes, there is a carnival barker with a bevy of pretty girls willing to dangle from a basket or parachute down to earth.}}

(US English) a traveling amusement park, called a funfair in UK English.