WordNet (r) 3.0 (2006):

take notice
    v 1: observe with special attention; "Take notice of the great
         architecture"

Moby Thesaurus II by Grady Ward, 1.0:

30 Moby Thesaurus words for "take notice":
   animadvert, attend, bear in mind, have regard for, heed,
   hold in mind, keep in mind, keep in sight, keep in view, look,
   mark, mind, note, notice, observe, reckon with, regard, remark,
   see, take account of, take cognizance of, take heed of,
   take into account, take into consideration, take note,
   take note of, take notice of, tend, view, watch