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: (v) lay down, establish, make (institute, enact, or establish) "make laws"
S: (v) establish, give (bring about) "The trompe l'oeil-illusion establishes depth"