In the manner of religion. / Always; passionately or diligently

Concerning religion. / Committed to the practice or adherence of religion. / Highly dedicated, as one would be to a religion.

A member of a religious order, i.e. a monk or nun.

The quality of being religious; religiosity.

plural of religiousness

(countable) The right for someone to practice their religion.

plural of religious none

A person with no religious affiliation or belief in a higher power, such as God.

Someone who is recognized by a religious body as having some authority within that body. / The leader of a religious order.

the condition of permitting people to worship according to the practices of any religion they choose