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

Class V. Words Releasing to the Voluntary Powers
Division (I) Individual Volition
Section I. Volition in General
1. Acts of Volition

600. Will.

   NOUN:WILL, volition, conation, volitiency, velleity; liberum arbitrium [L.]; will and pleasure, free will; freedom [See Freedom]; discretion; choice, inclination, intent, purpose, voluntarism; option (choice) [See Choice]; voluntariness; spontaneity, spontaneousness; originality.
  WISH, desire, pleasure, mind, frame of mind (inclination) [See Willingness]; intention [See Intention]; predetermination [See Predetermination]; selfcontrol &c. determination (resolution) [See Resolution]; force of will, will power, autocracy, bossiness [colloq., U. S.].
   VERB:WILL, list [archaic]; see fit, think fit; determine (resolve) [See Resolution]; enjoin; settle (choose) [See Choice]; volunteer.
  HAVE A WILL OF ONE’S OWN; do what one chooses (freedom) [See Freedom]; have it all one’s own way; have one’s will, have one’s own way; use -, exercise- one’s discretion; take -upon oneself, – one’s own course, – the law into one’s own hands; do of one’s own accord, do upon one’s own authority, do upon one’s own responsibility; take responsibility, boss [colloq.], take the bit between one’s teeth; originate (cause) [See Cause].
   ADJECTIVE:VOLUNTARY, volitional, willful or wilful; free [See Freedom]; optional; discretional, discretionary; volitient, volitive; volunteer, voluntaristic; dictatorial, bossy [colloq., U. S.].
  minded (willing) [See Willingness]; prepense (predetermined) [See Predetermination]; intended [See Intention]; autocratic; unbidden &c. (bid [See Command]); spontaneous; original (causal) [See Cause]; unconstrained.
   ADVERB:VOLUNTARILY &c. adj.; at will, at pleasure; à volonté [F.], à discrétion [F.]; al piacere [It.]; ad libitum [L.], ad arbitrium [L.]; as one thinks proper, as it seems good to; a beneplacito [It].
  of one’s own -accord, – free will; on one’s own responsibility; proprio -, suo -, ex meromotu [L.]; out of one’s own head; by choice [See Choice]; purposely (intentionally) [See Intention]; deliberately [See Predetermination].
  1. Stet pro ratione voluntas.
  2. Sic volo sic jubeo.
  3. Beneficium accipere libertatem est vendere.
  4. Deus vult.
  5. Was man nicht kann meiden muss man willig leiden.
  6. Sir, we know the will is free, and there’s an end on’t.—Johnson