Source : WordNet®

set out
     v 1: take the first step or steps in carrying out an action; "We
          began working at dawn"; "Who will start?"; "Get working
          as soon as the sun rises!"; "The first tourists began to
          arrive in Cambodia"; "He began early in the day"; "Let's
          get down to work now" [syn: {get down}, {begin}, {get},
          {start out}, {start}, {set about}, {commence}] [ant: {end}]
     2: lay out in a line [syn: {range}, {array}, {lay out}]
     3: leave; "The family took off for Florida" [syn: {depart}, {part},
         {start}, {start out}, {set forth}, {set off}, {take off}]