As an atheist...But of course atheism is a religion too. One definition of the word "religion" being "a specific fundamental set of beliefs and practices generally agreed upon by a number of persons".
Please, I think I have demonstrated arguments fairly strongly in this thread, there is no need for you to go so easy on me.
I actually hope you, if you are indeed a 'theist', don't actually hold what you posted to be a real definition of religion. Really? You would allow your beliefs to be so incredibly simplified so as to potentially include 'Railpagism' as a religion? You would seek to allow a bunch of supporters of a sporting club to be classified as a religion? Suddenly they pay no tax, and membership 'donations' are a deductable? No, like many religious people, you simply say things you don't actually believe in or really mean to say in the first place. If you are religious, and I am not, then you should desire to have some stronger meaning attached to what it actually is that you believe in. Merely allowing the assignation of the term religion to almost every group seems to me to somewhat water down your own beliefs just a bit too much.
Anyway, so in rebuttal to your assertion about atheism being a religion I will make these points:
Better definitions of religion are as described with the 'ParksHub corollary' attached.
The reason a definition of religion needs the 'ParksHub corollary' is that the apparent origin of the word (see also the comment on the following line) in the Latin religio
implies supernatural constraint. Therefore it would have to be understood that any definition leaving out the supernatural reference somewhat weakens the definition.
To the above, I prefer to think of the word religion as coming from the Latin religare
which actually means to restrain or tie back, I unsurprisingly find religion to quite restrain the world of science and research (anyone for some stem cell research? Well most except those of religion).
I also think religion needs to be defined with some sort of reference to institution attached too, religion to me (as a strict outsider) seems to require the institution in addition to the belief alone, otherwise you suddenly have a group children who believe in fairies at the bottom of the garden lumped into a religious following. - A truly religious person, I do not believe would want their thoughts, ideas and practices polluted by such.
Atheists can have belief, but not in theism, there is no theos - no God.