Verb

• 1. make free from confusion or ambiguity; make clear;

  "Could you clarify these remarks?"

  "Clear up the question of who is at fault"

• 2. cause to form crystals or assume crystalline form;

  "crystallize minerals"

• 3. assume crystalline form; become crystallized

• 4. cause to take on a definite and clear shape;

  "He tried to crystallize his thoughts"