party vs social gathering

party and social gathering both are nouns.

Word	Noun	Adjective	Verb	Adverb
party	Yes	No	Yes	No
social gathering	Yes	No	No	No

As nouns, social gathering is a hypernym of party; that is, social gathering is a word with a broader meaning than party:

party: an occasion on which people can assemble for social interaction and entertainment
social gathering: a formal or official social gathering or ceremony of people

Other hypernyms of party include affair, function, occasion, social affair, social function, social occasion.

As nouns, social gathering is a hypernym of party; that is, social gathering is a word with a broader meaning than party:

party: a gathering of people for pleasure
social gathering: a formal or official social gathering or ceremony of people

Other hypernyms of party include affair, function, occasion, social affair, social function, social occasion.

party (noun)	social gathering (noun)
an occasion on which people can assemble for social interaction and entertainment	a formal or official social gathering or ceremony of people
a gathering of people for pleasure
an organization to gain political power
a band of people associated temporarily in some activity
a person involved in legal proceedings

party (verb)	social gathering (verb)
have or participate in a party