'partygoer' definitions:

Definition of 'partygoer'

From: WordNet
noun
Someone who is attending a party; "the hall was crowded with an overflow of partygoers"

Definition of 'partygoer'

From: GCIDE
  • partygoer \par"ty*go`er\ n. Someone who is attending a party[4]; as, the hall was crowded with an overflow of partygoers. [WordNet 1.5]