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

Class VI. Words Relating to the Sentient and Moral Powers
Section III. Sympathetic Affections
4. Retrospective Sympathetic Affections

916. Gratitude.

   NOUN:GRATITUDE, gratefulness, thankfulness; feeling of -, sense of- obligation.
  acknowledgment, recognition, thanks-giving, giving thanks; thankful good will.
  THANKS, praise, benediction; pæan; Te Deum (worship) [See Worship]; grace, – before meat, – after meat; thank offering; requital.
   VERB:BE GRATEFUL &c. adj.; thank; give -, render -, return -, offer -, tender- thanks &c. n.; acknowledge, requite.
  feel -, be -, lie- under an obligation; savoir gré [F.]; not look a gift horse in the mouth; never forget, overflow with gratitude; thank -, bless- one’s stars; fall on one’s knees.
   ADJECTIVE:GRATEFUL, thankful, obliged, beholden, indebted to, under obligation
   INTERJECTION:THANKS! many thanks! gramercy! much obliged! thank you! thank Heaven! Heaven be praised!    QUOTATIONS:
  1. Now, God be praised, the day is ours.—Macaulay
  2. The still small voice of gratitude.—Gray
  3. Alas! the gratitude of men Hath often left me mourning.—Wordsworth
  4. A lively sense of favors to come.