undertake

v. take on, receive responsibility for a task; guarantee, pledge

(v. t.)
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.
  

(v. t.)
To take or have the charge of.
  

(v. t.)
To have knowledge of; to hear.
  

(v. t.)
To engage with; to attack.
  

(v. t.)
To assume, as a character.
  

(v. t.)
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.
  

(v. t.)
Hence, to guarantee; to promise; to affirm.
  

(v. i.)
To venture; to hazard.
  

(v. i.)
To take upon one's self, or assume, any business, duty, or province.
  

(v. i.)
To give a promise or guarantee; to be surety.
  

Verb
1. enter upon an activity or enterprise
(synonym) set about, attempt
(hypernym) initiate, pioneer
(derivation) undertaking, project, task, labor
2. accept as a challenge; "I'll tackle this difficult task"
(synonym) tackle, take on
(hypernym) confront, face up, face
(hyponym) rise
3. promise to do or accomplish; "guarantee to free the prisoners"
(synonym) guarantee
(hypernym) promise, assure
(hyponym) underwrite, subvention, subvent
4. enter into a contractual arrangement
(synonym) contract
(hypernym) promise, assure
(hyponym) stipulate
5. accept as a charge
(synonym) take in charge
(hypernym) accept, consent, go for

v. a.
اختيار کرنا, قبول کرنا, ذمے لينا, قصد کرنا, ہمت باندھنا, اٹھانا, بيڑا اٹھانا, اپنے اوپر لينا
consent to undertake
ذمے وار ہونا, اپنے ذمے لينا