Undertake

1. v. i. To give a promise or guarantee; to be surety.
2. 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.
3. 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.
4. v. t. Hence, to guarantee; to promise; to affirm.
5. v. t. To assume, as a character.
6. v. t. To engage with; to attack.
7. v. t. To have knowledge of; to hear.
8. v. t. To take or have the charge of.
9. v. i. To take upon one’s self, or assume, any business, duty, or province.
10. v. i. To venture; to hazard.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.