meeting vs socialising

meeting and socialising both are nouns.

Word	Noun	Adjective	Verb	Adverb
meeting	Yes	No	No	No
socialising	Yes	No	No	No

As nouns, socialising is a hyponym of meeting; that is, socialising is a word with a more specific, narrower meaning than meeting:

Other hyponyms of meeting include rendezvous, session, socialisation, socialization, socializing, visit, visit, visit.

meeting (noun)	socialising (noun)
the social act of assembling for some common purpose	the act of meeting for social purposes
the act of joining together as one
a casual or unexpected convergence
a formally arranged gathering
a small informal social gathering
a place where things merge or flow together (especially rivers)