definition of
crystallise

[1] #1 crystallise v. [clear, clear up, shed light on, crystallize, crystalize, crystalise, straighten out, sort out, enlighten, illuminate, elucidate] make free from confusion or ambiguity; make clear; "Could you clarify these remarks?"; "Clear up the question of who is at fault". wn

[2] #2 crystallise v. [crystallize, crystalize, crystalise] cause to form crystals or assume crystalline form; "crystallize minerals". wn

[3] #3 crystallise v. [crystallize, crystalise, crystalize] cause to take on a definite and clear shape; "He tried to crystallize his thoughts". wn