Is Humanism a religion or a philosophy?

[phknrocket1k]

Is Humanism a religion or a philosophy?

[ÑóẊîöʼn]

It's a philosophy, and don't listen to any postmodernist asstards who say otherwise.

[Bannockburn]

Its a "philosophy" in the nonacademic use. I don't see what "postmodernist" would say, and I fail to see the correlation.