party in WordNet English dictionary

1. a band of people associated temporarily in some activity
   "they organized a party to search for food"; "the company of cooks walked into the kitchen"
   party  company 
   
2. an occasion on which people can assemble for social interaction and entertainment
   "he planned a party to celebrate Bastille Day"
   party 
   
3. a group of people gathered together for pleasure
   "she joined the party after dinner"
   party 
   
4. an organization to gain political power
   "in 1992 Perot tried to organize a third party at the national level"
   party  political party 
   
5. a person involved in legal proceedings
   "the party of the first part"
   party 
   

1. have or participate in a party
   "The students were partying all night before the exam"
   party