engagementcelebration

noun
UK /ɪnˈɡeɪdʒmənt ˌselɪˈbreɪʃən/
US /ɪnˈɡeɪdʒmənt ˌseləˈbreɪʃən/

A party to cheer for two people who just promised to get married.

The whole family came to the engagement celebration at Grandma's house.


OTHER MEANINGS

2. A gathering that marks a formal agreement to work together.

The two companies held an engagement celebration after signing the deal.

3. A festive event that honors someone's commitment to a new job or duty.

Her engagement celebration at the hospital welcomed her as the new head nurse.

4. A party that celebrates a promise or pledge between two groups.

The clubs planned an engagement celebration to announce their new partnership.