vt to make efficient as the means of holiness; to render productive of holiness or piety.
2. sanctify ·vt to make free from sin; to cleanse from moral corruption and pollution; to purify.
3. sanctify ·vt to make sacred or holy; to set apart to a holy or religious use; to consecrate by appropriate rites; to hallow.
4. sanctify ·vt to impart or impute sacredness, venerableness, inviolability, title to reverence and respect, or the like, to; to secure from violation; to give sanction to.