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to assemble; to put together; to set up; to construct; to build; to compose (a story, poem, etc.)
to form (words, sentences, etc.)
説明書を見ながら家具を組み立てることにした。
I decided to assemble the furniture while looking at the instructions.
子供がプラモデルを一生懸命組み立てている。
The child is diligently assembling a plastic model.
この製品は自分で組み立てる必要があるらしい。
It seems you need to assemble this product yourself.