Open English Wordnet
Verbs
(v)clear, clear up, shed light on, crystallize, crystallise, crystalize, crystalise, straighten out, sort out, enlighten, illuminate, elucidatemake free from confusion or ambiguity; make clear“Could you clarify these remarks?”, “Clear up the question of who is at fault”
(v)crystallize, crystallise, crystalize, crystalisecause to form crystals or assume crystalline form“crystallize minerals”
(v)crystallize, crystallise, crystalise, crystalizecause to take on a definite and clear shape“He tried to crystallize his thoughts”