definition of
establish

[1] #1 establish v. [set up, found, launch] set up or found; "She set up a literacy program". wn

[2] #2 establish v. [found, plant, constitute, institute] set up or lay the groundwork for; "establish a new department". wn

[3] #3 establish v. [prove, demonstrate, 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". wn

[4] #4 establish v. [lay down, make] institute, enact, or establish; "make laws". wn

[5] #5 establish v. [give] bring about; "The trompe l'oeil-illusion establishes depth". wn