condition，state，health

rate，ratio

to fit，to match，to suit

match，game

circumstances，convenience​

to be in time for

to associate with，to go out with

association，socializing

meeting，assembly

to suit，to match

to match，to join together

sign，signal

passing (exam)，success

total amount

acquaintance

to get to know (someone)

competition，rivalry

association，union

to discuss

to talk together

gathering，assembly，meeting​

composition，synthesis

integration，unification，synthesis​