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

918. Forgiveness.

   NOUN:FORGIVENESS, pardon, condonation, grace, remission, absolution, amnesty, oblivion; indulgence; reprieve.
  conciliation; reconcilement; reconciliation (pacification) [See Pacification]; propitiation.
  longanimity, placability; amantium iræ [L.]; locus pænitentiœ [L.]; forbearance.
  EXONERATION, excuse, quittance, release, indemnity; bill -, act-, covenant -, deed- of indemnity; exculpation (acquittal) [See Acquittal].
   VERB:FORGIVE, – and forget; pardon, condone, think no more of, let bygones be bygones, shake hands; forget an injury; bury the hatchet; drown all unkindness; start afresh, make a new start.
  let off [colloq.], remit, absolve, give absolution; blot out one’s -sins, – offenses, – transgressions, – debts; wipe the slate clean; reprieve; acquit [See Acquittal].
  EXCUSE, pass over, overlook; wink at (neglect) [See Neglect]; bear with; allow for, make allowances for; let one down easily, not be too hard upon, pocket the affront.
  CONCILIATE, propitiate, placate; beg -, ask -, implore- pardon &c. n.; make up a quarrel (pacify) [See Pacification]; let the wound heal.
   ADJECTIVE:FORGIVING, placable, conciliatory.
  forgiven &c. v.; unresented, unavenged, unrevenged.
   INTERJECTION:have mercy! cry you mercy! forgive and forget!    QUOTATIONS:
  1. Veniam petimusque damusque vicissim.—Horace
  2. More in sorrow than in anger.
  3. Tout comprendre c’est tout pardonner.
  4. The offender never pardons.—Herbert
  5. Good to forgive, Best to forget.—Browning
  6. To err is human, to forgive, divine.—Pope
  7. The sin That neither God nor man can well forgive.—Tennyson