A Golden Mean sort of religious--probably more fundamental or evangelical than Unitarians, but less than the Pentecostal religions.
ex. Me: Her son seems to be pretty religious, probably more so than Susan. Her: Our kids are religious, too. They're Methodist religious. You know what I mean, don't you? Me: Yes, I went to MYF every Sunday night. But that was largely because there were a lot of cute girls there from the neighboring church. We also had a regular Sunday night poker game afterwards.