undertake

Academic Word List, sublist 4.

About 8.59 uses per million words.

Meaning

verb To take upon oneself; to start, to embark on.
They undertook the new venture, not sure where it would lead.
verb To commit oneself (to an obligation, activity etc.).
He undertook to exercise more in future.
verb To pass a slower moving vehicle on the curbside rather than on the side closest to oncoming traffic.
verb To pledge; to assert, assure; to dare say.
verb To take by trickery; to trap, to seize upon.
verb To assume, as a character; to take on.
verb To engage with; to attack, take on in a fight.
verb To have knowledge of; to hear.