Dic: put together (an agreement, plan, or product)

• We wouldn't have time to put together an agreement. 
• We got to work on putting the book together.
• It took all morning to put the proposal together.
• I think we can put together a very strong case for the defence.
• to put together a model plane/an essay/a meal
• to put together a new bookcase; to put together a tax package.

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△ If you put together an agreement, plan,or product, you design and create it.

△ to prepare or produce something by collecting pieces of information, ideas etc

△ to make or prepare something by fitting or collecting parts together

△ To construct; create

△ create by putting components or members together; assemble, piece, set up, tack, tack together

... COBUILD, LDOCE, OALD, American Heritage, WordNet