sacred

Characterized by solemn religious ceremony or religious use, especially, in a positive sense; consecrated, made holy.

“a sacred day”

Religious; relating to religion, or to the services of religion; not secular

Spiritual; concerned with metaphysics.

Designated or exalted by a divine sanction; possessing the highest title to obedience, honor, reverence, or veneration; entitled to extreme reverence; venerable.

Not to be profaned or violated; inviolable.

(followed by the preposition "to") Consecrated; dedicated; devoted

Solemnly devoted, in a bad sense, as to evil, vengeance, curse, or the like; accursed; baleful.

To consecrate