An idea or opinion based on insufficiently conclusive evidence; a conjecture. (via dictionary.com) It is the noun form of the verb "surmise." For some reason not recognised as a word by "legitimate" dictionaries. Dictionary.com strangely thinks that the noun form of "surmise" is, again, "surmise", which is just silly. Potentially first used and thus invented by me.
The philosophical theory that for humans to advance and truly change for the better they must exceed the idea of God and become their own versions of Gods and Goddesses. And that humans can’t wait for a Deity to change things they must rise up and do these things for themselves.
Tom: "Don't worry about that, God has a plan will take care of everything."
Jacob: "Actually, I disagree. I personally believe in Surpassism and we as humans must create our own change and we can't rely on a higher power to do it."