party1
Pronunciation: /ˈpɑːti/
noun ( plural parties)
- 1a social gathering of invited guests, typically involving eating, drinking, and entertainment: an engagement party
verb ( parties, partying, partied)

Phrases
-
be party (or a party) to
- be involved in: he was party to some very shady deals
-
bring something to the party
- see bring

Origin:
Middle English (denoting a body of people united in opposition to others, also in party1 (sense 2 of the noun)): from Old French partie, based on Latin partiri 'divide into parts'. party1 (sense 1 of the noun) dates from the early 18th century