Pansophism, in older usage often pansophy, is a concept of omniscience, meaning "all-knowing". Someone who is pansophical is someone who claims to have obtained omniscience.
It also has to do more specifically with pedagogic ideas of universal wisdom (pansophia), as it occurred in the educational system of universal knowledge proposed by John Amos Comenius, a Czech educator.
The pansophic principle is one of the important principles of Comenius: that everything must be taught to everyone, as a guiding basis for education, something like universal education