Meaning of “get together” - Learner’s Dictionary

get together

phrasal verb with get uk us /ɡet/ verb (present participle getting, past tense got, past participle got, US gotten)
MEET

B1 to meet in order to do something or spend time together:

Jan and I are getting together next week for lunch.
RELATIONSHIP

to begin a romantic relationship:

She got together with Phil two years ago.

(Definition of “get together phrasal verb, verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)