crystallise in WordNet English dictionary

1. make free from confusion or ambiguity; make clear
   "Could you clarify these remarks?"; "Clear up the question of who is at fault"
   clear  clear up  shed light on  crystallize  crystallise  crystalize  crystalise  straighten out  sort out  enlighten  illuminate  elucidate 
   
2. cause to form crystals or assume crystalline form
   "crystallize minerals"
   crystallize  crystallise  crystalize  crystalise 
   
3. cause to take on a definite and clear shape
   "He tried to crystallize his thoughts"
   crystallize  crystallise  crystalise  crystalize 
   

crystallise in English Wiktionary