To gain complete victory or success over something or someone. / To be totally accepted by other people.

(informal) Saint Patrick's Day

A day marking a country's establishment as a sovereign entity, typically a celebration of its independence, revolution or former ruler.

A time of glory or ascendancy.

Any of various public holidays in various countries to commemorate victories in important battles or wars in the countries' history.

Easter Monday, as observed by Polish descendants in English-speaking countries.

Alternative spelling of dayee

(Australia, Britain, New Zealand) A day on which school pupils are allowed to wear casual clothes which would on any other day be against the school's uniform policy.

(education) A school event where prizes are given out to pupils, and speeches are made by guest speakers.

Alternative form of degree day