Probabilism :: Probabilism (n.) The doctrine of the probabilists.
Probabilist :: Probabilist (n.) One who maintains that certainty is impossible, and that probability alone is to govern our faith and actions..
Probabilist :: Probabilist (n.) One who maintains that a man may do that which has a probability of being right, or which is inculcated by teachers of authority, although other opinions may seem to him still more probable..