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

Class IV. Words Relating to the Intellectual Faculties
Division (I) Formation of Ideas
Section III. Materials for Reasoning

470. Possibility.

   NOUN:POSSIBILITY, potentiality, potency; what may be, what is possible &c. adj.; compatibility (agreement) [See Agreement].
  PRACTICABILITY, feasibility, workability, workableness; practicableness &c. adj.
  CONTINGENCY, chance [See Chance].
   VERB:BE POSSIBLE &c. adj.; stand a chance; have a leg to stand on; admit of, bear.
  RENDER POSSIBLE &c. adj.; put in the way of, bring to bear, bring together.
   ADJECTIVE:POSSIBLE; on the -cards, -dice; in posse [L.], within the bounds of possibility, conceivable, imaginable, credible; compatible [See Agreement]; likely.
  PRACTICABLE, feasible, workable, performable, achievable; within -reach, – measurable distance; accessible, superable, surmountable; attainable, obtainable; contingent (doubtful) [See Uncertainty].
   ADVERB:POSSIBLY, by any possibility; perhaps, perchance, peradventure; may be, it may be, haply, mayhap.
  IF POSSIBLE, wind and weather permitting, God willing, Deo volente [L.], D. V.; as luck may have it.
  1. Misericordia Domini inter pontem et fontem.
  2. The glories of the Possible are ours.—B. Taylor