Webster's Revised Unabridged Dictionary · 1913

Sanctify

Sanctify , transitive verb

[French sanctifier, Latin sanctificare; sanctus holy + -ficare (in comp.) to make. See Saint, and -fy.]

1.
To make sacred or holy; to set apart to a holy or religious use; to consecrate by appropriate rites; to hallow.
God blessed the seventh day and sanctified it. — Gen. ii. 3
Moses... sanctified Aaron and his garments. — Lev. viii. 30
2.
To make free from sin; to cleanse from moral corruption and pollution; to purify.
Sanctify them through thy truth. — John xvii. 17
3.
To make efficient as the means of holiness; to render productive of holiness or piety.
A means which his mercy hath sanctified so to me as to make me repent of that unjust act. — Eikon Basilike
4.
To impart or impute sacredness, venerableness, inviolability, title to reverence and respect, or the like, to; to secure from violation; to give sanction to.
The holy man, amazed at what he saw, Made haste to sanctify the bliss by law. — Dryden
Truth guards the poet, sanctifies the line. — Pope