carry out /put into effect

(じっせん) Put a system of beliefs into practice – usually used with religion, straightedge, or something like that. It means that there is not one thing but a whole bunch of things you do, all according to a central philosophy.
(おこなう) - to carry out a task, to execute a command:used about a single person getting orders. (as opposed to related words such as  制定 or 実施 which refer to rules which affect all the people)   $$$
ける(もうける) A somewhat formal word:to found an institution, to start a political party. Also can mean, to organize an event.
(せいてい) A law goes into effect.
(じっし) A new rule is implemented or enforced:school rules, family rules, or company rules. (as opposed to laws, in which case you’d use 制定 (せいてい) instead.
(そうりつ) Similar to 設ける、 but 設ける is used with events, while 創立 is only used about founding institutions which have physical buildings:a hospital, a rehab center, a research lab, etc.
(せいりつ) To fulfill the terms or a contract or agreement. Closer to 完成 than to 行う。