Experientialism \Ex*pe`ri*en"tial*ism\ ([e^]ks*p[=e]`r[i^]*[e^]n"shal*[i^]z'm), n. (Philos.) The doctrine that experience, either that of ourselves or of others, is the test or criterion of general knowledge; -- opposed to {intuitionalism}. [1913 Webster] Experientialism is in short, a philosophical or logical theory, not a psychological one. --G. C. Robertson. [1913 Webster]