Definitions
1.nounThe quality of being deeply serious and sober or solemn."the solemnity of a funeral"
2.nounAn instance or example of solemn behavior; a rite or ceremony performed with reverence.
3.nounA 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.nounA solemn or formal observance; proceeding according to due form; the formality which is necessary to render a thing done valid.
5.nounA celebration or festivity.