/ ˈselɪbreɪt; NAmE / verb
1.
to show that a day or an event is important by doing sth special on it :
[ v ]
Jake's passed his exams. We're going out to celebrate.
[ vn ]
We celebrated our 25th wedding anniversary in Florence.
How do people celebrate New Year in your country?
2.
[ vn ] to perform a religious ceremony, especially the Christian Communion service
3.
[ vn ] ( formal ) to praise sb/sth :
a movie celebrating the life and work of Martin Luther King
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WORD ORIGIN
late Middle English (in sense 2): from Latin celebrat- celebrated, from the verb celebrare , from celeber , celebr- frequented or honoured.