UNDERTAKE

undertake. Undertake, v. undertook, pret. undertaken, pa. to engage in, take charge, promise

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Un′der‐take″ (?), v. t. [imp. Undertook (?); p. p. Undertaken (?); p. pr. & vb. n. Undertaking.] [[Under + take.]] 1. 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. 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. 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. 4. To assume, as a character. Shak.
5. 5. To engage with; to attack.
It is not fit your lordship should undertake every companion that you give offense to. Shak. 6. 6. To have knowledge of; to hear. Spenser.
7. 7. To take or have the charge of. “Who undertakes you to your end.” Shak.
Keep well those that ye undertake. Chaucer.