adequate · sufficient · abundant

In Denmark, where the Meteorological Institute reported that the month of July has been the sunniest since they started recording data in 1920, sales of alcoholic beverages dropped in favor of non-alcoholic beers and sodas.

We need not only adequate water but clean water.

With adequate lighting, one can easily discern Nosferatu, with his pointed incisors and extremely long-limbed fingers, known as arachnodactyly, from common vampires.

The room lighting is sufficient.

There is an abundant supply of foodstuffs.