crystallise

Verb

• cause to take on a definite and clear shape
  • He tried to crystallize his thoughts
    

• cause to form crystals or assume crystalline form
  • crystallize minerals
    

• make free from confusion or ambiguity; make clear
  • Could you clarify these remarks?
    
  • Clear up the question of who is at fault
    

Related words

• Synonyms: 
  crystallize , crystalise , crystalize