establish - verb

• set up or found
• set up or lay the groundwork for
• establish the validity of something, as by an example, explanation or experiment
• institute, enact, or establish
• bring about
• place
• build or establish something abstract
• use as a basis for; found on

establish - thesaurus

base   build   constitute   demonstrate   found   give   ground   instal   install   institute   launch   make   plant   prove   shew   show