the belief or doctrine that knowledge is based on experience
experientialism in American English
(ikˌspɪəriˈenʃəˌlɪzəm)
noun
Epistemology
any doctrine or theory that maintains that personal experience is the only or the principal basis of knowledge
Derived forms
experientialist
noun
experientialistic
adjective
Word origin
[1860–65; experiential + -ism]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: big brother, institutionalism, jumping jack, metric system, monism-ism is a suffix appearing in loanwords from Greek, where it was used to form action nounsfrom verbs (baptism). On this model, -ism is used as a productive suffix in the formation of nouns denoting action or practice,state or condition, principles, doctrines, a usage or characteristic, devotion oradherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism)