Thomas Cole's The Arcadian or Pastoral State, 1834 Arcadia (Greek: Αρκαδία) refers to a vision of pastoralism and harmony with nature. The term is derived from the Greek province of the same name which dates to antiquity; the province's mountainous topography and sparse population of pastoralists later caused the word Arcadia to develop into a poetic byword for an idyllic vision of unspoiled wil..