distinguish
     v 1: mark as different; "We distinguish several kinds of maple"
          [syn: {separate}, {differentiate}, {secern}, {secernate},
           {severalize}, {severalise}, {tell}, {tell apart}]
     2: detect with the senses; "The fleeing convicts were picked
        out of the darkness by the watchful prison guards"; "I
        can't make out the faces in this photograph" [syn: {recognize},
         {recognise}, {discern}, {pick out}, {make out}, {tell
        apart}]
     3: be a distinctive feature, attribute, or trait; sometimes in
        a very positive sense; "His modesty distinguishes him form
        his peers" [syn: {mark}, {differentiate}]
     4: make conspicuous or noteworthy [syn: {signalize}, {signalise}]
     5: identify as in botany or biology, for example [syn: {identify},
         {discover}, {key}, {key out}, {describe}, {name}]
Source: WordNet® 2.0