fit together
Verb
Meaning
(transitive) To put the appropriate parts of (something) into a whole; to combine pieces that go together to create a finished object.
(intransitive) To be able to be assembled in this way.
Source: en.wiktionary.orgSynonyms
Examples
The mathematician's patterns, like the painter's or the poet's must be beautiful; the ideas like the colours or the words, must fit together in a harmonious way. Beauty is the first test: there is no permanent place in the world for ugly mathematics.
The world comes to us in an endless stream of puzzle pieces that we would like to think all fit together somehow, but that in fact never do.
When I design buildings, I think of the overall composition, much as the parts of a body would fit together. On top of that, I think about how people will approach the building and experience that space.
Colors must fit together as pieces in a puzzle or cogs in a wheel.
The pieces all fit together. Yet everything was falling apart.
Our relationships, relationships between adults, how all those pieces fit together - that's the most complicated thing we all face.