a ceremony having religious meaning

make pure or free from sin or guilt

render holy by means of religious rites

(Roman Catholic Church) an act of the Pope who declares that a deceased person lived a holy life and is worthy of public veneration; a first step toward canonization

(Roman Catholic and Eastern Orthodox Church) the act of admitting a deceased person into the canon of saints

(religion) sanctification of something by setting it apart (usually with religious rites) as dedicated to God