- instrumentalism
- instrumentalist
- intellectualism
- intellectualistic
- intelligible
- intellectualist
- intention
- intuitionalism
- intuitionist
- intuitisist
- intuitivism
- intuitionalist
- intuitionism
- kantian
- kantianism
- know-nothing
- know-nothingism
- libidinal
- libido
- logos
- mechanism
- mechanist
- mechanistic
- monad
- monistic
- monadism
- monims
- mutualism
- necessitarian
- necessitarianism
- nescient
- nihilism
- nescience
- nihilist
- nihilistic
- nominalism
- nominalist
- nous
- obvert
- occasionalist
- ontic
- ontologist
- ontology
- ontological
- object
- obversion
- occasionalism
- optimism
- organicism
- outness
- pan-psychism
- pancosmism
- panlogism
- panlogistic
- paradox
- paralogism
- paralogize
- percept
- perception
- perceptionalism
- peripatetic
- peripateticism
- phenomenalism
- phenomenalist
- phenomenism
- phenomenist
- pluralist
- platonism
- pluralism
- positivist
- pragmatic
- positivism
- pragmatical
- pragmatism
- predicable
- predicament
- predicate
- premise
- prenotion
- probabilism
- pyrrhonism
- pyrrhonist
- quintessential
- quintessence
- radical
- realistic
- realism
- relativism
- self-consciousness
- sensual
- self-conscious
- sensualism
- sensualist
- singularism
- solipsism
- solipsist
- sorites
- space-time
- stoicism
- subalternation