establish

Etymology

From Middle English establissen, from Old French establiss-, stem of some of the conjugated forms of establir, (Modern French établir), from Latin stabiliō, stabilīre, from stabilis (“firm, steady, stable”).

verb

1. (transitive) To make stable or firm; to confirm.
   Once it [a snowdrop variety] became established, some bulbs were lifted and passed on to be chipped (i.e. cut into small pieces and grown on). 7 February 2015, Val Bourne, “The quiet man of the world of snowdrops”, in The Daily Telegraph (London), page G8
2. (transitive) To form; to found; to institute; to set up in business.
3. (transitive) To appoint or adopt, as officers, laws, regulations, guidelines, etc.; to enact; to ordain.
   By some paradoxical evolution rancour and intolerance have been established in the vanguard of primitive Christianity. Mrs. Spoker, in common with many of the stricter disciples of righteousness, was as inclement in demeanour as she was cadaverous in aspect. 1922, Ben Travers, chapter 4, in A Cuckoo in the Nest
4. (transitive) To prove and cause to be accepted as true; to establish a fact; to demonstrate.