The Regula family gathered every summer to celebrate their heritage.

The monastery's old regula was consulted whenever novices asked about daily conduct.

Scholars debated whether the ancient regulae applied to modern cases.

During the restoration, the conservators discovered several fragile Regulas hidden behind a false wall.

The regulabilities of different climate models influenced the policy recommendations made by the committee.

The regulability of the new smart grid is a key factor in ensuring stable energy distribution.

The laboratory's airflow system is regulable to maintain a sterile environment.