v. 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. 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. Hence, to guarantee; to promise; to affirm.v. To assume, as a character.v. To engage with; to attack.v. To have knowledge of; to hear.v. To take or have the charge of.verb-intransitive. To take upon one's self, or assume, any business, duty, or province.verb-intransitive. To venture; to hazard.verb-intransitive. To give a promise or guarantee; to be surety.