noun

• (religion, generally) A deceased person whom a church or another religious group has officially recognised as especially holy or godly; one eminent for piety and virtue.
  "The Roman Catholic Church proclaimed Kateri Tekakwitha a saint in 2012."
• (Christianity) One of the blessed in heaven.
  "Then ſhall thy Saints unmixt, and from th' impure / Farr ſeparate, circling thy holy Mount / Unfained Halleluiahs to thee ſing,"
• (Christianity) A Christian; a faithful believer in the present world.
  "Unto the Church of God which is at Corinth, to them that are sanctified in Christ Iesus, called to be Saints, with all that in euery place call vpon the Name of Iesus Christ our Lord, both theirs and ours."
• (Mormonism, specifically) Alternative letter-case form of Saint (“a Mormon, a Latter-day Saint”).

verb

• (transitive) Synonym of canonize: to honor, formally name, or revere as a saint.
  "Many Catholics wished to see Pope John Paul II sainted immediately after his death."

prefix

• (toponymy) Capitalized and placed before another term, particularly personal names, to create placename without direct association to any religious character.

noun

• (Mormonism) A Latter-day Saint, a Mormon.
  "the Kirtland Saints"
• (sports) Someone connected with any of the sports teams known as the Saints, such as a player or coach, or sometimes a fan.
  "In 1971, during Archie Manning's first game as a New Orleans Saint and the season opener against the Los Angeles Rams, […]"
• (UK, rail transport) Saint class, a class of steam locomotives used on the GWR.