To make complex; to modify so as to make something intricate or difficult.
To involve in a convoluted matter.
To constitute in parts, each having a special function, act, office, or relation; to systematize.
To arrange in working order.
To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life
To sing in parts.
To band together into a group or union that can bargain and act collectively; to unionize.