Well-organized synonyms

There were no great, well-organized secret societies, but there were many small groups, composed chiefly of male and female students of the universities and technical schools, which worked independently for a common purpose.

There is a well-organized postal and telegraphic service.

There's a lot of information here in a small, well-organized space.

The second Duma, which met on the 5th of March 1907, avoided some of the mistakes of its predecessor, but as a legislative assembly it showed itself equally incompetent, and a large section of its members were implicated in a well-organized attempt to spread sedition in the army by revolutionary propaganda.

There is a well-organized postal service with about 400 offices.