rendezvous vs meeting

rendezvous and meeting both are nouns.

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

As nouns, meeting is a hypernym of rendezvous; that is, meeting is a word with a broader meaning than rendezvous:

Other hypernyms of rendezvous include coming together, congress.

rendezvous (noun)	meeting (noun)
a meeting planned at a certain time and place	the social act of assembling for some common purpose
a date; usually with a member of the opposite sex	the act of joining together as one
a place where people meet	a casual or unexpected convergence
	a formally arranged gathering
	a small informal social gathering
	a place where things merge or flow together (especially rivers)

rendezvous (verb)	meeting (verb)
meet at a rendezvous