Full Idea
There is a possible route to realism, which has been called 'ideal verificationism', if we base our grasping the understanding and truth of a range of sentences on the procedure that would be available to an imagined being with superhuman powers.
Gist of Idea
Verificationism could be realist, if we imagined the verification by a superhuman power
Source
Michael Dummett (Thought and Reality [1997], 5)
Book Reference
Dummett,Michael: 'Thought and Reality (Gifford Lectures)' [OUP 2006], p.70
A Reaction
This is actually a slippery slope for verificationists, as soon as they allow that verification could be done by other people. A verifier might turn up who had telepathy, or x-ray vision, or could see quarks...