I hereby undertake that I shall subject myself to a medical test including AIDS.
From the economist.com
Good luck, David, as you undertake the lifestyle changes needed to loose weight.
From the jsonline.com
The Chirta was intended to undertake fighter training and to be fully aerobatic.
From the en.wikipedia.org
Undertake construction of small-scale irrigation projects and percolation tanks.
From the en.wikipedia.org
It will undertake next year's production without any money from the Citi Center.
From the boston.com
Undercover work is one of the most stressful jobs a special agent can undertake.
From the en.wikipedia.org
More examples
Enter upon an activity or enterprise
Accept as a challenge; "I'll tackle this difficult task"
Promise to do or accomplish; "guarantee to free the prisoners"
Contract: enter into a contractual arrangement
(undertaking) any piece of work that is undertaken or attempted; "he prepared for great undertakings"
(undertaking) the trade of a funeral director
(Undertaking (driving)) Undertaking or overtaking on the inside refers to the practice of overtaking a slower vehicle on a road using the lane that is kerb side of the vehicle being passed; that is to say, a lane to the left of the vehicle in countries where driving is on the left, or a lane to ...
To take upon oneself; to start, to embark on (a specific task etc.); To commit oneself (to an obligation, activity etc.); to overtake on the wrong side; To pledge; to assert, assure; to dare say; To take by trickery; to trap, to seize upon