assemble
/ə-ˈsem-bəl/
verb
to bring together (as in a particular place or for a particular purpose)
to fit together the parts of
to meet together : convene
They assembled a team of experts to solve the problem.
noun
the process by which a complex macromolecule (such as collagen) or a supramolecular system (such as a virus) spontaneously assembles itself from its components