and listen, be vigilant, be watchful, bear in mind, eye, eyeball, follow, gaze at, have a looksee, have regard for, hold in mind, hold in view, keep alert, keep in mind, keep in view, keep under observation, keep vigil, keep watch, look, look about one, look after, look at, look lively, look on, look out, look sharp, look upon, never nod, observe, qui vive, reckon with, reconnoiter, regard, scout, spy upon, stop, take account of, take cognizance of, take heed of, take into account, take into consideration, take note of, take notice of, view, watch, watch out