lead off
     v 1: teach immoral behavior to; "It was common practice to lead
          off the young ones, and teach them bad habits" [syn: {lead
          astray}]
     2: set in motion, cause to start; "The U.S. started a war in
        the Middle East"; "The Iraqis began hostilities"; "begin a
        new chapter in your life" [syn: {begin}, {start}, {commence}]
        [ant: {end}]
Source: WordNet® 2.0