'Undertake' definitions:

Definition of 'undertake'

From: WordNet
verb
Enter upon an activity or enterprise [syn: undertake, set about, attempt]
verb
Accept as a challenge; "I'll tackle this difficult task" [syn: undertake, tackle, take on]
verb
Promise to do or accomplish; "guarantee to free the prisoners" [syn: undertake, guarantee]
verb
Enter into a contractual arrangement [syn: contract, undertake]
verb
Accept as a charge [syn: undertake, take in charge]

Definition of 'Undertake'

From: GCIDE
  • 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. [1913 Webster]
  • To second, or oppose, or undertake The perilous attempt. --Milton. [1913 Webster]
  • 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. [1913 Webster]
  • I 'll undertake to land them on our coast. --Shak. [1913 Webster]
  • 3. Hence, to guarantee; to promise; to affirm. [1913 Webster]
  • And he was not right fat, I undertake. --Dryden. [1913 Webster]
  • And those two counties I will undertake Your grace shall well and quietly enjoiy. --Shak. [1913 Webster]
  • I dare undertake they will not lose their labor. --Woodward. [1913 Webster]
  • 4. To assume, as a character. [Obs.] --Shak. [1913 Webster]
  • 5. To engage with; to attack. [Obs.] [1913 Webster]
  • It is not fit your lordship should undertake every companion that you give offense to. --Shak. [1913 Webster]
  • 6. To have knowledge of; to hear. [Obs.] --Spenser. [1913 Webster]
  • 7. To take or have the charge of. [Obs.] "Who undertakes you to your end." --Shak. [1913 Webster]
  • Keep well those that ye undertake. --Chaucer. [1913 Webster]

Definition of 'Undertake'

From: GCIDE
  • Undertake \Un`der*take"\, v. i.
  • 1. To take upon one's self, or assume, any business, duty, or province. [1913 Webster]
  • O Lord, I am oppressed; undertake for me. --Isa. xxxviii. 14. [1913 Webster]
  • 2. To venture; to hazard. [Obs.] [1913 Webster]
  • It is the cowish terror of his spirit That dare not undertake. --Shak. [1913 Webster]
  • 3. To give a promise or guarantee; to be surety. [1913 Webster]
  • But on mine honor dare I undertake For good lord Titus' innocence in all. --Shak. [1913 Webster]

Synonyms of 'undertake'

From: Moby Thesaurus