(I am not atheist.) Chambers religion noun 1 a belief in, or the worship of, a god or gods. 2 a particular system of belief or worship, such as Christianity or Judaism. 3 colloq anything to which one is totally devoted and which rules one's life • mountaineering is his religion. 4 the monastic way of life. Clearly parts 1, 3, and 4 do not apply. Therefore your whole argument, should you choose to contest my point, hinges on some of part 2, the idea that atheism is a belief. (Obviously worship isn't relevant.) However, there is not something in which atheists believe; there is merely something propounded by others, which they in turn actively disbelieve/reject. It's a huge difference!