probabilist Meaning, Definition & Usage

Prob"a*bil*ist noun
Etymology
Cf. F. probabilists.
Definitions
  1. One who maintains that certainty is impossible, and that probability alone is to govern our faith and actions.
  2. (Casuistry) 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.

Webster 1913