/ feˈstɪvəti; NAmE / noun
1.
festivities [ pl. ] the activities that are organized to celebrate a special event
2.
[ U ] the happiness and enjoyment that exist when people celebrate sth :
The wedding was an occasion of great festivity.
an air of festivity
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WORD ORIGIN
late Middle English : from Old French festivite or Latin festivitas , from festivus festive, from festum , (plural) festa feast.