solemnities

noun

1. 1

   The quality of being deeply serious and sober or solemn.

   “the solemnity of a funeral”

2. 2

   An instance or example of solemn behavior; a rite or ceremony performed with reverence.

3. 3

   A feast day of the highest rank celebrating a mystery of faith such as the Trinity, an event in the life of Jesus, the Virgin Mary, or another important saint.

4. 4

   A solemn or formal observance; proceeding according to due form; the formality which is necessary to render a thing done valid.

5. 5

   A celebration or festivity.