What does "solvent" mean?

Solvent: Able or sufficient to pay all just debts; as, a solvent merchant; the estate is solvent.

Additional senses

  1. 2.A substance (usually liquid) suitable for, or employed in, solution, or in dissolving something; as, water is the appropriate solvent of most salts, alcohol of resins, ether of fats, and mercury or acids of metal, etc.
  2. 3.That which resolves; as, a solvent of mystery.

Sources