Verb (5-dan, る, intransitive)
Usually written in kana
1. to find resolution; to be settled; to be agreed on; to be completed
これで話はまとまったな。So the matter is settled.
2. to be collected; to be assembled; to be brought together
それだけあればまとまったお金を用意できなくはない。With just that much, it is not impossible to prepare a lump sum of money.
3. to be well arranged; to be in order; to be unified; to take shape; to be coherent
なんだか考えがまとまらない。My thoughts just won't come together.