That name is really, really, cool. The only thing that gives me pause is this: Would we regret a cool, secret society-sounding name? Defending an -ism sounds professional and serious. Would you really feel comfortable explaining to a complete stranger or a skeptical family member that you're part of a group called the College of Cartographers? And that this has nothing to do with actual maps. I take it we want a name with which to engage the rest of the world– not a name that best refers to a secret society of rationalists in a science fiction novel.

Still its a really cool name so if you want to start a secret society...