A vow of silence is usually a religious vow, usually taken in a monastic context, to maintain silence.

Pulcheria had taken a religious vow of chastity.

Wearing a purity ring is typically accompanied by a religious vow to practice abstinence until marriage.

The religious vow, being a public vow, is binding in Church law.

There was also a problem with Rosmini's understanding of the religious vow of poverty.

Others might be given to fulfill a religious vow, such as the games in celebration of a triumph.

Originally people used to do this as a part of a religious vow.

Incestuous children: Those born of parents too closely related to marry or who were under a religious vow.

Akbar immediately repaired himself to Ajmer to perform his religious vow.

The general description used for vratas as portrayed in the dharmaśāstra is that of the religious vow or religious rite.