S: (v) prove, demonstrate, establish, show, shew (establish the validity of something, as by an example, explanation or experiment) "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"
S: (adj) established, constituted (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"
S: (adj) accomplished, effected, established (settled securely and unconditionally) "that smoking causes health problems is an accomplished fact"
S: (adj) conventional, established (conforming with accepted standards) "a conventional view of the world"
S: (adj) established (shown to be valid beyond a reasonable doubt) "the established facts in the case"
S: (adj) established, naturalized (introduced from another region and persisting without cultivation)