Origin: Greek suffix -ism
Positivism has 3 different meanings across 1 category:
the form of empiricism that bases all knowledge on perceptual experience (not on intuition or revelation)
a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness
A doctrine that states that the only authentic knowledge is scientific knowledge, and that such knowledge can only come from positive affirmation of theories through strict scientific method, refusing every form of metaphysics.