types:
bee
a social gathering to carry out some communal task or to hold competitions
love feast
a social gathering intended to create goodwill among the participants
company
a social gathering of guests or companions
function
a formal or official social gathering or ceremony
party
a group of people gathered together for pleasure
supper
a social gathering where a light evening meal is served
salon
a social gathering of intellectuals and eminent people in the home of a prominent person
cohort
a company of companions or supporters
dance
a party of people assembled for dancing
reception
a formal party of people; as after a wedding
open house
an informal party of people with hospitality for all comers
housewarming
a party of people assembled to celebrate moving into a new home
soiree
a party of people assembled in the evening (usually at a private house)
shower
a party of friends assembled to present gifts (usually of a specified kind) to a person
smoker,
stag party
a party for men only (or one considered suitable for men only)
slumber party
an overnight party of girls who dress in nightclothes and pass the night talking
mixer,
sociable,
social
a party of people assembled to promote sociability and communal activity
conventicle
a secret unauthorized meeting for religious worship
visit
a meeting arranged by the visitor to see someone (such as a doctor or lawyer) for treatment or advice
power breakfast
a meeting of influential people to conduct business while eating breakfast
reunion
a party of former associates who have come together again
number
a select company of people