The making of a pledge.
The oath of allegiance taken by soldiers in Ancient Rome; hence, any sacred ceremony used to impress an obligation; a solemn oath-taking; an oath.
A sacred act and the attendant ceremony, considered (theology) an outward sign of divine grace.
A thing which is regarded as possessing a sacred character or mysterious significance.
The Eucharist.
The consecrated Eucharist (especially the bread).
To bind by an oath.