1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Undertake  \Un`der*take"\,  v.  t.  [imp.  {Undertook};  p.  p. 
  {Undertaken};  p.  pr  &  vb  n.  {Undertaking}.]  [Under  +  take.] 
  1.  To  take  upon  one's  self  to  engage  in  to  enter  upon  to 
  take  in  hand;  to  begin  to  perform;  to  set  about  to 
  attempt. 
 
  To  second  or  oppose,  or  undertake  The  perilous 
  attempt.  --Milton. 
 
  2.  Specifically,  to  take  upon  one's  self  solemnly  or 
  expressly;  to  lay  one's  self  under  obligation,  or  to  enter 
  into  stipulations,  to  perform  or  to  execute;  to  covenant; 
  to  contract. 
 
  I  'll  undertake  to  land  them  on  our  coast.  --Shak. 
 
  3.  Hence  to  guarantee;  to  promise;  to  affirm. 
 
  And  he  was  not  right  fat,  I  undertake.  --Dryden. 
 
  And  those  two  counties  I  will  undertake  Your  grace 
  shall  well  and  quietly  enjoiy.  --Shak. 
 
  I  dare  undertake  they  will  not  lose  their  labor. 
  --Woodward. 
 
  4.  To  assume,  as  a  character.  [Obs.]  --Shak. 
 
  5.  To  engage  with  to  attack.  [Obs.] 
 
  It  is  not  fit  your  lordship  should  undertake  every 
  companion  that  you  give  offense  to  --Shak. 
 
  6.  To  have  knowledge  of  to  hear.  [Obs.]  --Spenser. 
 
  7.  To  take  or  have  the  charge  of  [Obs.]  ``Who  undertakes  you 
  to  your  end.''  --Shak. 
 
  Keep  well  those  that  ye  undertake.  --Chaucer. 

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