noun
plural -gions
[noncount] :the belief in a god or in a group of gods
an organized system of beliefs, ceremonies, and rules used to worship a god or a group of gods [count]
informal :an interest, a belief, or an activity that is very important to a person or group [count]
find/get religion
informal + sometimes disapproving
to become religious :to decide to follow a particular religion
to stop doing something that others think is wrong and begin to do something others think is good or correct