Fetching details from the dictionary...

to find resolution; to be settled; to be agreed on; to be completed
to be collected; to be assembled; to be brought together
to be well arranged; to be in order; to be unified; to take shape; to be coherent
長い議論の末に意見がようやくまとまった。
Opinions were finally settled.
チームがうまくまとまっている。
The team is working well together.
考えがまとまらない。
I can't get my thoughts together.