Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section V. Religious Affections
3. Religious Sentiments

987. Piety.

   NOUN:PIETY, religion, theism, faith; religiousness, religiosity, holiness &c. adj.; saintship; religionism; sanctimony &c. (assumed piety) [See Impiety]; reverence (respect) [See Respect]; humility, veneration, devotion; prostration (worship) [See Worship]; grace, unction, edification; sanctity, sanctitude [rare]; consecration.
  spiritual existence, odor of sanctity, beauty of holiness.
  theopathy, beatification, adoption, regeneration, conversion, justification, theodicy, sanctification, salvation, inspiration, bread of life; Body and Blood of Christ.
  BELIEVER, convert, theist, Christian, devotee, pietist, Saint.
  the -good, – righteous, – just, – believing, – elect; the children of -God, – Our Father, – the kingdom, – light.
   VERB:BE PIOUS &c. adj.; have faith &c. n.; believe, receive Christ; venerate, adore, worship, perform the acts of devotion; revere [See Respect]; be converted &c.; experience the divine illumination [Mysticism]; be at one with God, be on God’s side, stand up for Jesus, fight the good fight, keep the faith, let one’s light shine.
  REGENERATE, convert, edify, sanctify, hallow, keep holy, beatify, inspire, consecrate, enshrine.
   ADJECTIVE:PIOUS, religious, devout, devoted, reverent, godly, heavenly-minded, humble, pure, pure in heart, holy, spiritual, pietistic, saintly, saintlike; seraphic, sacred, solemn.
  believing, faithful, Christian, Catholic.
  REGENERATED; inspired, consecrated, converted, unearthly, not of the earth, in the world not of it.
  elected, adopted, justified, sanctified.
  1. Ne vile fano.
  2. Pure-eyed Faith … thou hovering angel girt with golden wings.—Milton
  3. To me religion is life before God and in God.—Amiel
  4. See God’s world through the rags of this.—Masefield