Undertaking

noun
1.
the act of a person who undertakes any task or responsibility.
2.
a task, enterprise, etc., undertaken.
3.
a promise; pledge; guarantee.
4.
the business of an undertaker or funeral director.
verb (used with object), undertook, undertaken, undertaking.
1.
to take upon oneself, as a task, performance, etc.; attempt:
She undertook the job of answering all the mail.
2.
to promise, agree, or obligate oneself (followed by an infinitive):
The married couple undertook to love, honor, and cherish each other.
3.
to warrant or guarantee (followed by a clause):
The sponsors undertake that their candidate meets all the requirements.
4.
to take in charge; assume the duty of attending to:
The lawyer undertook a new case.
verb (used without object), undertook, undertaken, undertaking.
5.
Archaic. to engage oneself by promise; give a guarantee, or become surety.
noun
1.
something undertaken; task, venture, or enterprise
2.
an agreement to do something
3.
the business of an undertaker
4.
(informal) the practice of overtaking on an inner lane a vehicle which is travelling in an outer lane
verb -takes, -taking, -took, -taken
1.
(transitive) to contract to or commit oneself to (something) or (to do something): to undertake a job, to undertake to deliver the goods
2.
(transitive) to attempt to; agree to start
3.
(transitive) to take (someone) in charge
4.
(archaic) (intransitive) foll by for. to make oneself responsible (for)
5.
(transitive) to promise