1. (

• undertake ,
• set_about ,
• attempt

) enter upon an activity or enterprise ;

2. (

• undertake ,
• tackle ,
• take_on

) accept as a challenge; "I'll tackle this difficult task" ;

3. (

• undertake ,
• guarantee ,

) promise to do or accomplish; "guarantee to free the prisoners" ;

4. (

• contract ,
• undertake ,

) enter into a contractual arrangement ;

5. (

• undertake ,
• take_in_charge

) accept as a charge ;