First definition I find of religion: "A set of beliefs concerning the cause, nature, and purpose of the universe, especially when considered as the creation of

First definition I find of religion: "A set of beliefs concerning the cause, nature, and purpose of the universe, especially when considered as the creation of a superhuman agency or agencies, usually involving devotional and ritual observances, and often containing a moral code governing the conduct of human affairs." Almost every atheist will reject religion, given what religion typically is and which is captured pretty well in the definition above.