enter (http://definr.com/enter)

     v 1: to come or go into: "the boat entered an area of shallow
          marshes" [syn: come in, get into, get in, go into,
           go in, move into] [ant: exit]
     2: become a participant; be involved in; "enter a race"; "enter
        an agreement"; "enter a drug treatment program"; "enter
        negotiations" [syn: participate] [ant: drop out]
     3: register formally; as a participant or member [syn: enroll,
         inscribe, enrol, recruit]
     4: be or play a part of or in; "Elections figure prominently in
        every government program"; "How do the elections figure in
        the current pattern of internal politics?" [syn: figure]
     5: make a record of; set down in permanent form [syn: record,
         put down]
     6: come on stage; in the theater
     7: put or introduce into something; "insert a picture into the
        text" [syn: insert, infix, introduce]
     8: set out on (an enterprise, subject of study, etc.); "she
        embarked upon a new career" [syn: embark]