Festivity (noun)

A celebration or event marked by merriment or rejoicing.

Origin:

Late middle english: from old french festivite, from latin festivitas, from festivus "festive".

Examples:

1. The city was alive with the sound of music as the festivity began.
2. The annual festivity is a major event in the social calendar.
3. The festivity was in full swing by the time they arrived.
4. The children loved the colorful decorations and the feeling of festivity in the air.
5. The Christmas festivity was a time of great joy and happiness for the whole family.