crystalise
     v 1: make free from confusion or ambiguity; make clear; "could
          you clarify these remarks?"; "clear up the question of
          who is at fault" syn: clear, clear up, shed light
          on, crystallize, crystallise, crystalize, straighten
          out, sort out, enlighten, illuminate, elucidate
     2: cause to form crystals or assume crystalline form;
        "crystallize minerals" syn: crystallize, crystallise,
         crystalize
     3: assume crystalline form; become crystallized syn: crystallize,
         crystalize, effloresce
     4: cause to take on a definite and clear shape; "he tried to
        crystallize his thoughts" syn: crystallize, crystallise,
         crystalize
see also:
clear clear up shed light on crystallize crystallise crystalize 
straighten out sort out enlighten illuminate elucidate 
effloresce