かくりつ確立kakuritsu
1.

The process of creating a stable system, organization, or framework that is founded on careful planning and resistant to fluctuations or changes.

2.

The act of firmly defining and solidifying the fundamental aspects, positions, or strategies of a matter, ensuring it becomes a reliable and unchanging entity.

3.

The establishment of foundational elements that are firmly anchored and not subject to instability, often relating to relationships, institutions, or policies.

Example:

どうやって最良の形式を確立するかという問題はまだ解決されていない。