introduced from another region and persisting without cultivation
shown to be valid beyond a reasonable doubt "the established facts in the case"
conforming with accepted standards "a conventional view of the world"
settled securely and unconditionally "that smoking causes health problems is an accomplished fact"
brought about or set up or accepted
especially long established "the established social order" "distrust the constituted authority" "a team established as a member of a major league" "enjoyed his prestige as an established writer" "an established precedent" "the established Church"