appear assister attend be at be present at be vigilant be watchful behold catch catch sight of clap eyes on come to descry discern discover distinguish do espy eye eyeball follow gape gaze at glimpse go to have a looksee have in sight hold in view keep in sight keep in view keep under observation ken lay eyes on look after look at look upon make out notice observe ogle perceive pick out recognize reconnoiter regard scout see show up sight sit in spot spy spy upon take in turn up twig view visit watch witness