1. (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.

2. (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.

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

4. (v. t.) To assume, as a character.

5. (v. t.) To engage with; to attack.

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

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

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

9. (v. i.) To venture; to hazard.

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

accept accept obligation agree agree to answer for approach assay assume attack attempt bargain bargain for be answerable for be responsible for be security for begin bind buckle to carry on certify chance commence commit compact conduct contract covenant dive into do do a deal embark in embark on embark upon employ endeavor engage engage in enter on enter upon essay exercise fall into fall to follow get busy get cracking get going get under way get with it go about go at go bail for go in for go into go to it go upon guarantee have an understanding have at hop to it jump to it launch forth launch into lay about lift a finger light into make a deal make an attempt make an effort move into obligate offer pass pitch in pitch into pledge plunge into practice proceed to promise prosecute pursue sail into seek set about set at set forward set going set to set to work shake hands on specialize in stand back of start start in stipulate strive struggle swear tackle take on take the vows take to take up try turn to use venture venture on venture upon vow wade into wage warrant work at