D defs.my
Entry 1 sense Webster, 1913

Experientialism

/(ĕks*pē`rĭ*ĕn"shal*ĭz'm)/ · Ex·pe·ri·en·tial·ism · IPA
01 n. The doctrine that experience, either that of ourselves or of others, is the test or criterion of general knowledge; -- opposed to intuitionalism.
  1. 1.
    The doctrine that experience, either that of ourselves or of others, is the test or criterion of general knowledge; -- opposed to intuitionalism.(Philos.)
    Experientialism is in short, a philosophical or logical theory, not a psychological one.” — G. C. Robertson.