Party definition

From , , from , from , feminine of partitus, past participle of ; see part.

A person or group of people constituting a particular side in a contract or legal action.

The contract requires that the party of the first part pay the fee.
With to: an accessory, someone who takes part.

I can't possibly be a party to that kind of reckless behaviour.
A group of people forming one side in a given dispute, contest etc.
A political group considered as a formal whole, united under one specific political platform of issues and campaigning to take part in government.

The green party took 12% of the vote.
A discrete detachment of troops, especially for a particular purpose.

The settlers were attacked early next morning by a scouting party.
A social gathering for entertainment and fun.

I'm throwing a huge party for my 21st birthday.
A group of people travelling or attending an event together, or participating in the same activity.

We're expecting a large party from the London office.
Active player characters organized into a single group.
Group of characters controlled by the player.
A part or division.
- 1485, Sir Thomas Malory, Le Morte Darthur, Book II:
  
  And so the moost party of the castel that was falle doune thorugh that dolorous stroke laye vpon Pellam and balyn thre dayes.

To celebrate at a party, to have fun, to enjoy oneself.

We partied until the early hours.