noun

1. 1. the act, method, or process of solving a problem
   2. the answer to a problem
   3. an explanation, clarification, etc. the solution of a mystery
2. 1. the act or process of dispersing one or more liquid, gaseous, or solid substances in another, usually a liquid, so as to form a homogeneous mixture; a dissolving
   2. the state or fact of being dissolved
   3. a homogeneous molecular mixture, usually a liquid, so produced
3. a breaking up or coming to an end; dissolution; break; breach
4. Med.
   1. the termination of a disease
   2. the crisis of a disease
   3. a drug in solution; liquid medicine

Etymology: ME solucion < OFr < L solutio < solutus: see solute