Involved or used in ceremonies:
Made with deep sincerity or invoking the force of religion:
Ritual is defined as something that is characteristic of a rite, practice or observation, particularly of a religion.
Of or like God or a god
Conventional is defined as someone or something widely accepted, or something related to a convention.
Having the outward appearance but lacking in substance:
Find another word for liturgical. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for liturgical, like: ceremonial, solemn, ritual, divine, ceremonious, conventional, formal, ritualistic, liturgy, devotional and sacramental.